Home / 70,111.16-96,755.04-38,280.30

Finding the Fourth Proportional to 70,111.16, 96,755.04 and 38,280.30

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Solution

The fourth proportional to 70,111.16, 96,755.04 and 38,280.30 is: 52,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,111.16 : 96,755.04 = 38,280.30 : x
  2. Step 2: Convert to fraction form
    70,111.16/96,755.04 = 38,280.30/x
  3. Step 3: Cross multiply
    70,111.16x = 96,755.04 × 38,280.30
  4. Step 4: Simplify right side
    70,111.16x = 3,703,811,957.71
  5. Step 5: Solve for x
    x = 3,703,811,957.71/70,111.16
  6. Step 6: Final answer
    x = 52,827.71

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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.