Home / 109,767.40-164,420.70-60,461.80

Finding the Fourth Proportional to 109,767.40, 164,420.70 and 60,461.80

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Solution

The fourth proportional to 109,767.40, 164,420.70 and 60,461.80 is: 90,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,767.40 : 164,420.70 = 60,461.80 : x
  2. Step 2: Convert to fraction form
    109,767.40/164,420.70 = 60,461.80/x
  3. Step 3: Cross multiply
    109,767.40x = 164,420.70 × 60,461.80
  4. Step 4: Simplify right side
    109,767.40x = 9,941,171,479.26
  5. Step 5: Solve for x
    x = 9,941,171,479.26/109,767.40
  6. Step 6: Final answer
    x = 90,565.79

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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.