Home / 75,338.93-112,963.29-25,417.92

Finding the Fourth Proportional to 75,338.93, 112,963.29 and 25,417.92

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Solution

The fourth proportional to 75,338.93, 112,963.29 and 25,417.92 is: 38,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,338.93 : 112,963.29 = 25,417.92 : x
  2. Step 2: Convert to fraction form
    75,338.93/112,963.29 = 25,417.92/x
  3. Step 3: Cross multiply
    75,338.93x = 112,963.29 × 25,417.92
  4. Step 4: Simplify right side
    75,338.93x = 2,871,291,868.16
  5. Step 5: Solve for x
    x = 2,871,291,868.16/75,338.93
  6. Step 6: Final answer
    x = 38,111.66

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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.