Home / 70,166.16-96,828.12-38,335.32

Finding the Fourth Proportional to 70,166.16, 96,828.12 and 38,335.32

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Solution

The fourth proportional to 70,166.16, 96,828.12 and 38,335.32 is: 52,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,166.16 : 96,828.12 = 38,335.32 : x
  2. Step 2: Convert to fraction form
    70,166.16/96,828.12 = 38,335.32/x
  3. Step 3: Cross multiply
    70,166.16x = 96,828.12 × 38,335.32
  4. Step 4: Simplify right side
    70,166.16x = 3,711,936,965.20
  5. Step 5: Solve for x
    x = 3,711,936,965.20/70,166.16
  6. Step 6: Final answer
    x = 52,902.10

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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.