Home / 71,071.43-98,045.03-42,374.75

Finding the Fourth Proportional to 71,071.43, 98,045.03 and 42,374.75

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Solution

The fourth proportional to 71,071.43, 98,045.03 and 42,374.75 is: 58,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,071.43 : 98,045.03 = 42,374.75 : x
  2. Step 2: Convert to fraction form
    71,071.43/98,045.03 = 42,374.75/x
  3. Step 3: Cross multiply
    71,071.43x = 98,045.03 × 42,374.75
  4. Step 4: Simplify right side
    71,071.43x = 4,154,633,250.70
  5. Step 5: Solve for x
    x = 4,154,633,250.70/71,071.43
  6. Step 6: Final answer
    x = 58,457.15

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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.