Home / 70,693.61-97,557.49-38,864.55

Finding the Fourth Proportional to 70,693.61, 97,557.49 and 38,864.55

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Solution

The fourth proportional to 70,693.61, 97,557.49 and 38,864.55 is: 53,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,693.61 : 97,557.49 = 38,864.55 : x
  2. Step 2: Convert to fraction form
    70,693.61/97,557.49 = 38,864.55/x
  3. Step 3: Cross multiply
    70,693.61x = 97,557.49 × 38,864.55
  4. Step 4: Simplify right side
    70,693.61x = 3,791,527,850.82
  5. Step 5: Solve for x
    x = 3,791,527,850.82/70,693.61
  6. Step 6: Final answer
    x = 53,633.25

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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.