Home / 93,701.12-140,538.24-31,372.16

Finding the Fourth Proportional to 93,701.12, 140,538.24 and 31,372.16

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Solution

The fourth proportional to 93,701.12, 140,538.24 and 31,372.16 is: 47,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,701.12 : 140,538.24 = 31,372.16 : x
  2. Step 2: Convert to fraction form
    93,701.12/140,538.24 = 31,372.16/x
  3. Step 3: Cross multiply
    93,701.12x = 140,538.24 × 31,372.16
  4. Step 4: Simplify right side
    93,701.12x = 4,408,988,151.40
  5. Step 5: Solve for x
    x = 4,408,988,151.40/93,701.12
  6. Step 6: Final answer
    x = 47,053.74

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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.