Home / 42,255.68-63,397.58-14,178.52

Finding the Fourth Proportional to 42,255.68, 63,397.58 and 14,178.52

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Solution

The fourth proportional to 42,255.68, 63,397.58 and 14,178.52 is: 21,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.68 : 63,397.58 = 14,178.52 : x
  2. Step 2: Convert to fraction form
    42,255.68/63,397.58 = 14,178.52/x
  3. Step 3: Cross multiply
    42,255.68x = 63,397.58 × 14,178.52
  4. Step 4: Simplify right side
    42,255.68x = 898,883,855.98
  5. Step 5: Solve for x
    x = 898,883,855.98/42,255.68
  6. Step 6: Final answer
    x = 21,272.50

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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.