Home / 52,474.30-78,697.07-31,397.76

Finding the Fourth Proportional to 52,474.30, 78,697.07 and 31,397.76

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Solution

The fourth proportional to 52,474.30, 78,697.07 and 31,397.76 is: 47,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,474.30 : 78,697.07 = 31,397.76 : x
  2. Step 2: Convert to fraction form
    52,474.30/78,697.07 = 31,397.76/x
  3. Step 3: Cross multiply
    52,474.30x = 78,697.07 × 31,397.76
  4. Step 4: Simplify right side
    52,474.30x = 2,470,911,677.32
  5. Step 5: Solve for x
    x = 2,470,911,677.32/52,474.30
  6. Step 6: Final answer
    x = 47,088.04

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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.