Home / 66,337.20-91,475.18-51,232.32

Finding the Fourth Proportional to 66,337.20, 91,475.18 and 51,232.32

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Solution

The fourth proportional to 66,337.20, 91,475.18 and 51,232.32 is: 70,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.20 : 91,475.18 = 51,232.32 : x
  2. Step 2: Convert to fraction form
    66,337.20/91,475.18 = 51,232.32/x
  3. Step 3: Cross multiply
    66,337.20x = 91,475.18 × 51,232.32
  4. Step 4: Simplify right side
    66,337.20x = 4,686,485,693.82
  5. Step 5: Solve for x
    x = 4,686,485,693.82/66,337.20
  6. Step 6: Final answer
    x = 70,646.42

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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.