Home / 84,277.14-126,373.08-28,097.57

Finding the Fourth Proportional to 84,277.14, 126,373.08 and 28,097.57

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Solution

The fourth proportional to 84,277.14, 126,373.08 and 28,097.57 is: 42,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,277.14 : 126,373.08 = 28,097.57 : x
  2. Step 2: Convert to fraction form
    84,277.14/126,373.08 = 28,097.57/x
  3. Step 3: Cross multiply
    84,277.14x = 126,373.08 × 28,097.57
  4. Step 4: Simplify right side
    84,277.14x = 3,550,775,829.55
  5. Step 5: Solve for x
    x = 3,550,775,829.55/84,277.14
  6. Step 6: Final answer
    x = 42,132.13

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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.