Home / 84,272.18-116,278.47-53,657.55

Finding the Fourth Proportional to 84,272.18, 116,278.47 and 53,657.55

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Solution

The fourth proportional to 84,272.18, 116,278.47 and 53,657.55 is: 74,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272.18 : 116,278.47 = 53,657.55 : x
  2. Step 2: Convert to fraction form
    84,272.18/116,278.47 = 53,657.55/x
  3. Step 3: Cross multiply
    84,272.18x = 116,278.47 × 53,657.55
  4. Step 4: Simplify right side
    84,272.18x = 6,239,217,817.95
  5. Step 5: Solve for x
    x = 6,239,217,817.95/84,272.18
  6. Step 6: Final answer
    x = 74,036.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.