Home / 56,932.16-78,566.04-31,440.14

Finding the Fourth Proportional to 56,932.16, 78,566.04 and 31,440.14

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Solution

The fourth proportional to 56,932.16, 78,566.04 and 31,440.14 is: 43,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.16 : 78,566.04 = 31,440.14 : x
  2. Step 2: Convert to fraction form
    56,932.16/78,566.04 = 31,440.14/x
  3. Step 3: Cross multiply
    56,932.16x = 78,566.04 × 31,440.14
  4. Step 4: Simplify right side
    56,932.16x = 2,470,127,296.85
  5. Step 5: Solve for x
    x = 2,470,127,296.85/56,932.16
  6. Step 6: Final answer
    x = 43,387.20

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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.