Home / 109,035.52-163,430.16-55,577.32

Finding the Fourth Proportional to 109,035.52, 163,430.16 and 55,577.32

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Solution

The fourth proportional to 109,035.52, 163,430.16 and 55,577.32 is: 83,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,035.52 : 163,430.16 = 55,577.32 : x
  2. Step 2: Convert to fraction form
    109,035.52/163,430.16 = 55,577.32/x
  3. Step 3: Cross multiply
    109,035.52x = 163,430.16 × 55,577.32
  4. Step 4: Simplify right side
    109,035.52x = 9,083,010,299.97
  5. Step 5: Solve for x
    x = 9,083,010,299.97/109,035.52
  6. Step 6: Final answer
    x = 83,303.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.