Home / 125,768.59-173,585.30-72,089.55

Finding the Fourth Proportional to 125,768.59, 173,585.30 and 72,089.55

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Solution

The fourth proportional to 125,768.59, 173,585.30 and 72,089.55 is: 99,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,768.59 : 173,585.30 = 72,089.55 : x
  2. Step 2: Convert to fraction form
    125,768.59/173,585.30 = 72,089.55/x
  3. Step 3: Cross multiply
    125,768.59x = 173,585.30 × 72,089.55
  4. Step 4: Simplify right side
    125,768.59x = 12,513,685,803.17
  5. Step 5: Solve for x
    x = 12,513,685,803.17/125,768.59
  6. Step 6: Final answer
    x = 99,497.70

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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.