Home / 124,120.61-171,281.32-67,532.21

Finding the Fourth Proportional to 124,120.61, 171,281.32 and 67,532.21

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Solution

The fourth proportional to 124,120.61, 171,281.32 and 67,532.21 is: 93,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,120.61 : 171,281.32 = 67,532.21 : x
  2. Step 2: Convert to fraction form
    124,120.61/171,281.32 = 67,532.21/x
  3. Step 3: Cross multiply
    124,120.61x = 171,281.32 × 67,532.21
  4. Step 4: Simplify right side
    124,120.61x = 11,567,006,071.32
  5. Step 5: Solve for x
    x = 11,567,006,071.32/124,120.61
  6. Step 6: Final answer
    x = 93,191.66

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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.