Home / 48,118.24-72,338.64-39,417.76

Finding the Fourth Proportional to 48,118.24, 72,338.64 and 39,417.76

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Solution

The fourth proportional to 48,118.24, 72,338.64 and 39,417.76 is: 59,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.24 : 72,338.64 = 39,417.76 : x
  2. Step 2: Convert to fraction form
    48,118.24/72,338.64 = 39,417.76/x
  3. Step 3: Cross multiply
    48,118.24x = 72,338.64 × 39,417.76
  4. Step 4: Simplify right side
    48,118.24x = 2,851,427,150.25
  5. Step 5: Solve for x
    x = 2,851,427,150.25/48,118.24
  6. Step 6: Final answer
    x = 59,258.76

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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.