Home / 92,587.32-138,775.95-42,564.06

Finding the Fourth Proportional to 92,587.32, 138,775.95 and 42,564.06

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Solution

The fourth proportional to 92,587.32, 138,775.95 and 42,564.06 is: 63,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,587.32 : 138,775.95 = 42,564.06 : x
  2. Step 2: Convert to fraction form
    92,587.32/138,775.95 = 42,564.06/x
  3. Step 3: Cross multiply
    92,587.32x = 138,775.95 × 42,564.06
  4. Step 4: Simplify right side
    92,587.32x = 5,906,867,862.36
  5. Step 5: Solve for x
    x = 5,906,867,862.36/92,587.32
  6. Step 6: Final answer
    x = 63,797.81

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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.