Home / 56,392.76-84,534.24-31,409.84

Finding the Fourth Proportional to 56,392.76, 84,534.24 and 31,409.84

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Solution

The fourth proportional to 56,392.76, 84,534.24 and 31,409.84 is: 47,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,392.76 : 84,534.24 = 31,409.84 : x
  2. Step 2: Convert to fraction form
    56,392.76/84,534.24 = 31,409.84/x
  3. Step 3: Cross multiply
    56,392.76x = 84,534.24 × 31,409.84
  4. Step 4: Simplify right side
    56,392.76x = 2,655,206,952.92
  5. Step 5: Solve for x
    x = 2,655,206,952.92/56,392.76
  6. Step 6: Final answer
    x = 47,084.18

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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.