Home / 91,785.90-126,793.59-70,834.44

Finding the Fourth Proportional to 91,785.90, 126,793.59 and 70,834.44

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Solution

The fourth proportional to 91,785.90, 126,793.59 and 70,834.44 is: 97,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.90 : 126,793.59 = 70,834.44 : x
  2. Step 2: Convert to fraction form
    91,785.90/126,793.59 = 70,834.44/x
  3. Step 3: Cross multiply
    91,785.90x = 126,793.59 × 70,834.44
  4. Step 4: Simplify right side
    91,785.90x = 8,981,352,943.24
  5. Step 5: Solve for x
    x = 8,981,352,943.24/91,785.90
  6. Step 6: Final answer
    x = 97,851.12

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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.