Home / 109,417.20-164,125.80-35,545.20

Finding the Fourth Proportional to 109,417.20, 164,125.80 and 35,545.20

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Solution

The fourth proportional to 109,417.20, 164,125.80 and 35,545.20 is: 53,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,417.20 : 164,125.80 = 35,545.20 : x
  2. Step 2: Convert to fraction form
    109,417.20/164,125.80 = 35,545.20/x
  3. Step 3: Cross multiply
    109,417.20x = 164,125.80 × 35,545.20
  4. Step 4: Simplify right side
    109,417.20x = 5,833,884,386.16
  5. Step 5: Solve for x
    x = 5,833,884,386.16/109,417.20
  6. Step 6: Final answer
    x = 53,317.80

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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.