Home / 66,223.48-98,711.36-60,909.08

Finding the Fourth Proportional to 66,223.48, 98,711.36 and 60,909.08

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Solution

The fourth proportional to 66,223.48, 98,711.36 and 60,909.08 is: 90,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.48 : 98,711.36 = 60,909.08 : x
  2. Step 2: Convert to fraction form
    66,223.48/98,711.36 = 60,909.08/x
  3. Step 3: Cross multiply
    66,223.48x = 98,711.36 × 60,909.08
  4. Step 4: Simplify right side
    66,223.48x = 6,012,418,123.15
  5. Step 5: Solve for x
    x = 6,012,418,123.15/66,223.48
  6. Step 6: Final answer
    x = 90,789.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.