Home / 125,243.04-172,837.50-67,884.18

Finding the Fourth Proportional to 125,243.04, 172,837.50 and 67,884.18

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Solution

The fourth proportional to 125,243.04, 172,837.50 and 67,884.18 is: 93,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,243.04 : 172,837.50 = 67,884.18 : x
  2. Step 2: Convert to fraction form
    125,243.04/172,837.50 = 67,884.18/x
  3. Step 3: Cross multiply
    125,243.04x = 172,837.50 × 67,884.18
  4. Step 4: Simplify right side
    125,243.04x = 11,732,931,960.75
  5. Step 5: Solve for x
    x = 11,732,931,960.75/125,243.04
  6. Step 6: Final answer
    x = 93,681.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.