Home / 56,842.80-78,384.96-37,715.88

Finding the Fourth Proportional to 56,842.80, 78,384.96 and 37,715.88

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Solution

The fourth proportional to 56,842.80, 78,384.96 and 37,715.88 is: 52,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,842.80 : 78,384.96 = 37,715.88 : x
  2. Step 2: Convert to fraction form
    56,842.80/78,384.96 = 37,715.88/x
  3. Step 3: Cross multiply
    56,842.80x = 78,384.96 × 37,715.88
  4. Step 4: Simplify right side
    56,842.80x = 2,956,357,745.16
  5. Step 5: Solve for x
    x = 2,956,357,745.16/56,842.80
  6. Step 6: Final answer
    x = 52,009.36

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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.