Home / 70,737.04-97,617.12-38,908.06

Finding the Fourth Proportional to 70,737.04, 97,617.12 and 38,908.06

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Solution

The fourth proportional to 70,737.04, 97,617.12 and 38,908.06 is: 53,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.04 : 97,617.12 = 38,908.06 : x
  2. Step 2: Convert to fraction form
    70,737.04/97,617.12 = 38,908.06/x
  3. Step 3: Cross multiply
    70,737.04x = 97,617.12 × 38,908.06
  4. Step 4: Simplify right side
    70,737.04x = 3,798,092,761.99
  5. Step 5: Solve for x
    x = 3,798,092,761.99/70,737.04
  6. Step 6: Final answer
    x = 53,693.13

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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.