Home / 109,472.40-164,208.60-62,686.80

Finding the Fourth Proportional to 109,472.40, 164,208.60 and 62,686.80

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Solution

The fourth proportional to 109,472.40, 164,208.60 and 62,686.80 is: 94,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,472.40 : 164,208.60 = 62,686.80 : x
  2. Step 2: Convert to fraction form
    109,472.40/164,208.60 = 62,686.80/x
  3. Step 3: Cross multiply
    109,472.40x = 164,208.60 × 62,686.80
  4. Step 4: Simplify right side
    109,472.40x = 10,293,711,666.48
  5. Step 5: Solve for x
    x = 10,293,711,666.48/109,472.40
  6. Step 6: Final answer
    x = 94,030.20

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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.