Home / 124,552.32-171,886-70,845.12

Finding the Fourth Proportional to 124,552.32, 171,886 and 70,845.12

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Solution

The fourth proportional to 124,552.32, 171,886 and 70,845.12 is: 97,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,552.32 : 171,886 = 70,845.12 : x
  2. Step 2: Convert to fraction form
    124,552.32/171,886 = 70,845.12/x
  3. Step 3: Cross multiply
    124,552.32x = 171,886 × 70,845.12
  4. Step 4: Simplify right side
    124,552.32x = 12,177,284,296.32
  5. Step 5: Solve for x
    x = 12,177,284,296.32/124,552.32
  6. Step 6: Final answer
    x = 97,768.43

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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.