Home / 71,875.18-107,681.34-52,104.70

Finding the Fourth Proportional to 71,875.18, 107,681.34 and 52,104.70

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Solution

The fourth proportional to 71,875.18, 107,681.34 and 52,104.70 is: 78,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,875.18 : 107,681.34 = 52,104.70 : x
  2. Step 2: Convert to fraction form
    71,875.18/107,681.34 = 52,104.70/x
  3. Step 3: Cross multiply
    71,875.18x = 107,681.34 × 52,104.70
  4. Step 4: Simplify right side
    71,875.18x = 5,610,703,916.30
  5. Step 5: Solve for x
    x = 5,610,703,916.30/71,875.18
  6. Step 6: Final answer
    x = 78,061.77

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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.