Home / 43,045.90-64,379.98-38,335.28

Finding the Fourth Proportional to 43,045.90, 64,379.98 and 38,335.28

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Solution

The fourth proportional to 43,045.90, 64,379.98 and 38,335.28 is: 57,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,045.90 : 64,379.98 = 38,335.28 : x
  2. Step 2: Convert to fraction form
    43,045.90/64,379.98 = 38,335.28/x
  3. Step 3: Cross multiply
    43,045.90x = 64,379.98 × 38,335.28
  4. Step 4: Simplify right side
    43,045.90x = 2,468,024,285.71
  5. Step 5: Solve for x
    x = 2,468,024,285.71/43,045.90
  6. Step 6: Final answer
    x = 57,334.72

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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.