Home / 84,275.64-126,370.83-28,096.07

Finding the Fourth Proportional to 84,275.64, 126,370.83 and 28,096.07

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Solution

The fourth proportional to 84,275.64, 126,370.83 and 28,096.07 is: 42,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275.64 : 126,370.83 = 28,096.07 : x
  2. Step 2: Convert to fraction form
    84,275.64/126,370.83 = 28,096.07/x
  3. Step 3: Cross multiply
    84,275.64x = 126,370.83 × 28,096.07
  4. Step 4: Simplify right side
    84,275.64x = 3,550,523,159.14
  5. Step 5: Solve for x
    x = 3,550,523,159.14/84,275.64
  6. Step 6: Final answer
    x = 42,129.89

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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.