Home / 71,533.08-98,715.65-39,701.97

Finding the Fourth Proportional to 71,533.08, 98,715.65 and 39,701.97

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Solution

The fourth proportional to 71,533.08, 98,715.65 and 39,701.97 is: 54,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.08 : 98,715.65 = 39,701.97 : x
  2. Step 2: Convert to fraction form
    71,533.08/98,715.65 = 39,701.97/x
  3. Step 3: Cross multiply
    71,533.08x = 98,715.65 × 39,701.97
  4. Step 4: Simplify right side
    71,533.08x = 3,919,205,576.32
  5. Step 5: Solve for x
    x = 3,919,205,576.32/71,533.08
  6. Step 6: Final answer
    x = 54,788.72

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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.