Home / 124,401.12-171,675.30-67,812.48

Finding the Fourth Proportional to 124,401.12, 171,675.30 and 67,812.48

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Solution

The fourth proportional to 124,401.12, 171,675.30 and 67,812.48 is: 93,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401.12 : 171,675.30 = 67,812.48 : x
  2. Step 2: Convert to fraction form
    124,401.12/171,675.30 = 67,812.48/x
  3. Step 3: Cross multiply
    124,401.12x = 171,675.30 × 67,812.48
  4. Step 4: Simplify right side
    124,401.12x = 11,641,727,847.74
  5. Step 5: Solve for x
    x = 11,641,727,847.74/124,401.12
  6. Step 6: Final answer
    x = 93,582.18

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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.