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Finding the Fourth Proportional to 71,360.61, 98,477.76 and 39,094.52

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Solution

The fourth proportional to 71,360.61, 98,477.76 and 39,094.52 is: 53,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360.61 : 98,477.76 = 39,094.52 : x
  2. Step 2: Convert to fraction form
    71,360.61/98,477.76 = 39,094.52/x
  3. Step 3: Cross multiply
    71,360.61x = 98,477.76 × 39,094.52
  4. Step 4: Simplify right side
    71,360.61x = 3,849,940,757.88
  5. Step 5: Solve for x
    x = 3,849,940,757.88/71,360.61
  6. Step 6: Final answer
    x = 53,950.50

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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.