Home / 52,283.90-78,426.11-12,841.02

Finding the Fourth Proportional to 52,283.90, 78,426.11 and 12,841.02

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Solution

The fourth proportional to 52,283.90, 78,426.11 and 12,841.02 is: 19,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,283.90 : 78,426.11 = 12,841.02 : x
  2. Step 2: Convert to fraction form
    52,283.90/78,426.11 = 12,841.02/x
  3. Step 3: Cross multiply
    52,283.90x = 78,426.11 × 12,841.02
  4. Step 4: Simplify right side
    52,283.90x = 1,007,071,182.83
  5. Step 5: Solve for x
    x = 1,007,071,182.83/52,283.90
  6. Step 6: Final answer
    x = 19,261.59

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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.