Home / 84,985.32-127,496.51-28,061.73

Finding the Fourth Proportional to 84,985.32, 127,496.51 and 28,061.73

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Solution

The fourth proportional to 84,985.32, 127,496.51 and 28,061.73 is: 42,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,985.32 : 127,496.51 = 28,061.73 : x
  2. Step 2: Convert to fraction form
    84,985.32/127,496.51 = 28,061.73/x
  3. Step 3: Cross multiply
    84,985.32x = 127,496.51 × 28,061.73
  4. Step 4: Simplify right side
    84,985.32x = 3,577,772,639.56
  5. Step 5: Solve for x
    x = 3,577,772,639.56/84,985.32
  6. Step 6: Final answer
    x = 42,098.71

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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.