Home / 42,827.12-64,244.94-14,743.46

Finding the Fourth Proportional to 42,827.12, 64,244.94 and 14,743.46

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Solution

The fourth proportional to 42,827.12, 64,244.94 and 14,743.46 is: 22,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,827.12 : 64,244.94 = 14,743.46 : x
  2. Step 2: Convert to fraction form
    42,827.12/64,244.94 = 14,743.46/x
  3. Step 3: Cross multiply
    42,827.12x = 64,244.94 × 14,743.46
  4. Step 4: Simplify right side
    42,827.12x = 947,192,381.87
  5. Step 5: Solve for x
    x = 947,192,381.87/42,827.12
  6. Step 6: Final answer
    x = 22,116.65

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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.