Home / 42,784.47-63,868.03-36,148.95

Finding the Fourth Proportional to 42,784.47, 63,868.03 and 36,148.95

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Solution

The fourth proportional to 42,784.47, 63,868.03 and 36,148.95 is: 53,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,784.47 : 63,868.03 = 36,148.95 : x
  2. Step 2: Convert to fraction form
    42,784.47/63,868.03 = 36,148.95/x
  3. Step 3: Cross multiply
    42,784.47x = 63,868.03 × 36,148.95
  4. Step 4: Simplify right side
    42,784.47x = 2,308,762,132.70
  5. Step 5: Solve for x
    x = 2,308,762,132.70/42,784.47
  6. Step 6: Final answer
    x = 53,962.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.