Home / 56,564.93-78,060.64-31,073.63

Finding the Fourth Proportional to 56,564.93, 78,060.64 and 31,073.63

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Solution

The fourth proportional to 56,564.93, 78,060.64 and 31,073.63 is: 42,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564.93 : 78,060.64 = 31,073.63 : x
  2. Step 2: Convert to fraction form
    56,564.93/78,060.64 = 31,073.63/x
  3. Step 3: Cross multiply
    56,564.93x = 78,060.64 × 31,073.63
  4. Step 4: Simplify right side
    56,564.93x = 2,425,626,947.80
  5. Step 5: Solve for x
    x = 2,425,626,947.80/56,564.93
  6. Step 6: Final answer
    x = 42,882.17

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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.