Home / 70,143.57-96,795.27-38,312.66

Finding the Fourth Proportional to 70,143.57, 96,795.27 and 38,312.66

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Solution

The fourth proportional to 70,143.57, 96,795.27 and 38,312.66 is: 52,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,143.57 : 96,795.27 = 38,312.66 : x
  2. Step 2: Convert to fraction form
    70,143.57/96,795.27 = 38,312.66/x
  3. Step 3: Cross multiply
    70,143.57x = 96,795.27 × 38,312.66
  4. Step 4: Simplify right side
    70,143.57x = 3,708,484,511.11
  5. Step 5: Solve for x
    x = 3,708,484,511.11/70,143.57
  6. Step 6: Final answer
    x = 52,869.91

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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.