Home / 84,637.52-126,898.76-40,268.76

Finding the Fourth Proportional to 84,637.52, 126,898.76 and 40,268.76

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Solution

The fourth proportional to 84,637.52, 126,898.76 and 40,268.76 is: 60,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.52 : 126,898.76 = 40,268.76 : x
  2. Step 2: Convert to fraction form
    84,637.52/126,898.76 = 40,268.76/x
  3. Step 3: Cross multiply
    84,637.52x = 126,898.76 × 40,268.76
  4. Step 4: Simplify right side
    84,637.52x = 5,110,055,710.74
  5. Step 5: Solve for x
    x = 5,110,055,710.74/84,637.52
  6. Step 6: Final answer
    x = 60,375.77

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1.5x scale

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.