Home / 124,307.19-171,543.96-67,718.55

Finding the Fourth Proportional to 124,307.19, 171,543.96 and 67,718.55

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Solution

The fourth proportional to 124,307.19, 171,543.96 and 67,718.55 is: 93,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,307.19 : 171,543.96 = 67,718.55 : x
  2. Step 2: Convert to fraction form
    124,307.19/171,543.96 = 67,718.55/x
  3. Step 3: Cross multiply
    124,307.19x = 171,543.96 × 67,718.55
  4. Step 4: Simplify right side
    124,307.19x = 11,616,708,232.46
  5. Step 5: Solve for x
    x = 11,616,708,232.46/124,307.19
  6. Step 6: Final answer
    x = 93,451.62

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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.