Home / 71,547.08-98,730.03-39,713.47

Finding the Fourth Proportional to 71,547.08, 98,730.03 and 39,713.47

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Solution

The fourth proportional to 71,547.08, 98,730.03 and 39,713.47 is: 54,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547.08 : 98,730.03 = 39,713.47 : x
  2. Step 2: Convert to fraction form
    71,547.08/98,730.03 = 39,713.47/x
  3. Step 3: Cross multiply
    71,547.08x = 98,730.03 × 39,713.47
  4. Step 4: Simplify right side
    71,547.08x = 3,920,911,885.94
  5. Step 5: Solve for x
    x = 3,920,911,885.94/71,547.08
  6. Step 6: Final answer
    x = 54,801.85

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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.