Home / 52,376.64-78,643.68-45,060.64

Finding the Fourth Proportional to 52,376.64, 78,643.68 and 45,060.64

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Solution

The fourth proportional to 52,376.64, 78,643.68 and 45,060.64 is: 67,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,376.64 : 78,643.68 = 45,060.64 : x
  2. Step 2: Convert to fraction form
    52,376.64/78,643.68 = 45,060.64/x
  3. Step 3: Cross multiply
    52,376.64x = 78,643.68 × 45,060.64
  4. Step 4: Simplify right side
    52,376.64x = 3,543,734,552.76
  5. Step 5: Solve for x
    x = 3,543,734,552.76/52,376.64
  6. Step 6: Final answer
    x = 67,658.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.