Home / 124,505.36-171,816.30-67,915.52

Finding the Fourth Proportional to 124,505.36, 171,816.30 and 67,915.52

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Solution

The fourth proportional to 124,505.36, 171,816.30 and 67,915.52 is: 93,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,505.36 : 171,816.30 = 67,915.52 : x
  2. Step 2: Convert to fraction form
    124,505.36/171,816.30 = 67,915.52/x
  3. Step 3: Cross multiply
    124,505.36x = 171,816.30 × 67,915.52
  4. Step 4: Simplify right side
    124,505.36x = 11,668,993,358.98
  5. Step 5: Solve for x
    x = 11,668,993,358.98/124,505.36
  6. Step 6: Final answer
    x = 93,722.82

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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.