Home / 42,475.19-63,703.36-25,775.31

Finding the Fourth Proportional to 42,475.19, 63,703.36 and 25,775.31

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Solution

The fourth proportional to 42,475.19, 63,703.36 and 25,775.31 is: 38,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475.19 : 63,703.36 = 25,775.31 : x
  2. Step 2: Convert to fraction form
    42,475.19/63,703.36 = 25,775.31/x
  3. Step 3: Cross multiply
    42,475.19x = 63,703.36 × 25,775.31
  4. Step 4: Simplify right side
    42,475.19x = 1,641,974,123.15
  5. Step 5: Solve for x
    x = 1,641,974,123.15/42,475.19
  6. Step 6: Final answer
    x = 38,657.26

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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.