Home / 57,320.13-86,038.52-38,541.09

Finding the Fourth Proportional to 57,320.13, 86,038.52 and 38,541.09

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Solution

The fourth proportional to 57,320.13, 86,038.52 and 38,541.09 is: 57,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.13 : 86,038.52 = 38,541.09 : x
  2. Step 2: Convert to fraction form
    57,320.13/86,038.52 = 38,541.09/x
  3. Step 3: Cross multiply
    57,320.13x = 86,038.52 × 38,541.09
  4. Step 4: Simplify right side
    57,320.13x = 3,316,018,150.08
  5. Step 5: Solve for x
    x = 3,316,018,150.08/57,320.13
  6. Step 6: Final answer
    x = 57,850.85

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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.