Home / 92,618.78-127,812.25-52,331.68

Finding the Fourth Proportional to 92,618.78, 127,812.25 and 52,331.68

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Solution

The fourth proportional to 92,618.78, 127,812.25 and 52,331.68 is: 72,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,618.78 : 127,812.25 = 52,331.68 : x
  2. Step 2: Convert to fraction form
    92,618.78/127,812.25 = 52,331.68/x
  3. Step 3: Cross multiply
    92,618.78x = 127,812.25 × 52,331.68
  4. Step 4: Simplify right side
    92,618.78x = 6,688,630,319.18
  5. Step 5: Solve for x
    x = 6,688,630,319.18/92,618.78
  6. Step 6: Final answer
    x = 72,216.78

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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.