Home / 65,148.54-97,689.98-31,818.66

Finding the Fourth Proportional to 65,148.54, 97,689.98 and 31,818.66

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Solution

The fourth proportional to 65,148.54, 97,689.98 and 31,818.66 is: 47,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,148.54 : 97,689.98 = 31,818.66 : x
  2. Step 2: Convert to fraction form
    65,148.54/97,689.98 = 31,818.66/x
  3. Step 3: Cross multiply
    65,148.54x = 97,689.98 × 31,818.66
  4. Step 4: Simplify right side
    65,148.54x = 3,108,364,259.03
  5. Step 5: Solve for x
    x = 3,108,364,259.03/65,148.54
  6. Step 6: Final answer
    x = 47,711.96

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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.