Home / 42,752.42-64,122.60-14,671.98

Finding the Fourth Proportional to 42,752.42, 64,122.60 and 14,671.98

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Solution

The fourth proportional to 42,752.42, 64,122.60 and 14,671.98 is: 22,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752.42 : 64,122.60 = 14,671.98 : x
  2. Step 2: Convert to fraction form
    42,752.42/64,122.60 = 14,671.98/x
  3. Step 3: Cross multiply
    42,752.42x = 64,122.60 × 14,671.98
  4. Step 4: Simplify right side
    42,752.42x = 940,805,559.77
  5. Step 5: Solve for x
    x = 940,805,559.77/42,752.42
  6. Step 6: Final answer
    x = 22,005.90

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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.