Home / 66,377.52-91,539.45-48,444.12

Finding the Fourth Proportional to 66,377.52, 91,539.45 and 48,444.12

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Solution

The fourth proportional to 66,377.52, 91,539.45 and 48,444.12 is: 66,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.52 : 91,539.45 = 48,444.12 : x
  2. Step 2: Convert to fraction form
    66,377.52/91,539.45 = 48,444.12/x
  3. Step 3: Cross multiply
    66,377.52x = 91,539.45 × 48,444.12
  4. Step 4: Simplify right side
    66,377.52x = 4,434,548,100.53
  5. Step 5: Solve for x
    x = 4,434,548,100.53/66,377.52
  6. Step 6: Final answer
    x = 66,807.98

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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.