Home / 57,193.24-78,828.10-38,038.76

Finding the Fourth Proportional to 57,193.24, 78,828.10 and 38,038.76

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Solution

The fourth proportional to 57,193.24, 78,828.10 and 38,038.76 is: 52,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.24 : 78,828.10 = 38,038.76 : x
  2. Step 2: Convert to fraction form
    57,193.24/78,828.10 = 38,038.76/x
  3. Step 3: Cross multiply
    57,193.24x = 78,828.10 × 38,038.76
  4. Step 4: Simplify right side
    57,193.24x = 2,998,523,177.16
  5. Step 5: Solve for x
    x = 2,998,523,177.16/57,193.24
  6. Step 6: Final answer
    x = 52,427.93

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1.5x scale

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.