Home / 66,236.19-91,359.68-44,978.55

Finding the Fourth Proportional to 66,236.19, 91,359.68 and 44,978.55

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Solution

The fourth proportional to 66,236.19, 91,359.68 and 44,978.55 is: 62,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236.19 : 91,359.68 = 44,978.55 : x
  2. Step 2: Convert to fraction form
    66,236.19/91,359.68 = 44,978.55/x
  3. Step 3: Cross multiply
    66,236.19x = 91,359.68 × 44,978.55
  4. Step 4: Simplify right side
    66,236.19x = 4,109,225,709.97
  5. Step 5: Solve for x
    x = 4,109,225,709.97/66,236.19
  6. Step 6: Final answer
    x = 62,038.98

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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.