Home / 91,856.05-126,751.56-51,574.24

Finding the Fourth Proportional to 91,856.05, 126,751.56 and 51,574.24

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Solution

The fourth proportional to 91,856.05, 126,751.56 and 51,574.24 is: 71,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.05 : 126,751.56 = 51,574.24 : x
  2. Step 2: Convert to fraction form
    91,856.05/126,751.56 = 51,574.24/x
  3. Step 3: Cross multiply
    91,856.05x = 126,751.56 × 51,574.24
  4. Step 4: Simplify right side
    91,856.05x = 6,537,115,375.81
  5. Step 5: Solve for x
    x = 6,537,115,375.81/91,856.05
  6. Step 6: Final answer
    x = 71,166.95

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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.