Home / 70,397.08-105,344.13-61,146.10

Finding the Fourth Proportional to 70,397.08, 105,344.13 and 61,146.10

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Solution

The fourth proportional to 70,397.08, 105,344.13 and 61,146.10 is: 91,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.08 : 105,344.13 = 61,146.10 : x
  2. Step 2: Convert to fraction form
    70,397.08/105,344.13 = 61,146.10/x
  3. Step 3: Cross multiply
    70,397.08x = 105,344.13 × 61,146.10
  4. Step 4: Simplify right side
    70,397.08x = 6,441,382,707.39
  5. Step 5: Solve for x
    x = 6,441,382,707.39/70,397.08
  6. Step 6: Final answer
    x = 91,500.71

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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.