Home / 72,324.16-99,804.12-42,110.32

Finding the Fourth Proportional to 72,324.16, 99,804.12 and 42,110.32

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Solution

The fourth proportional to 72,324.16, 99,804.12 and 42,110.32 is: 58,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324.16 : 99,804.12 = 42,110.32 : x
  2. Step 2: Convert to fraction form
    72,324.16/99,804.12 = 42,110.32/x
  3. Step 3: Cross multiply
    72,324.16x = 99,804.12 × 42,110.32
  4. Step 4: Simplify right side
    72,324.16x = 4,202,783,430.52
  5. Step 5: Solve for x
    x = 4,202,783,430.52/72,324.16
  6. Step 6: Final answer
    x = 58,110.37

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.