Home / 58,038.33-86,909.58-38,256.90

Finding the Fourth Proportional to 58,038.33, 86,909.58 and 38,256.90

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Solution

The fourth proportional to 58,038.33, 86,909.58 and 38,256.90 is: 57,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,038.33 : 86,909.58 = 38,256.90 : x
  2. Step 2: Convert to fraction form
    58,038.33/86,909.58 = 38,256.90/x
  3. Step 3: Cross multiply
    58,038.33x = 86,909.58 × 38,256.90
  4. Step 4: Simplify right side
    58,038.33x = 3,324,891,111.10
  5. Step 5: Solve for x
    x = 3,324,891,111.10/58,038.33
  6. Step 6: Final answer
    x = 57,287.85

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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.