Home / 115,966.80-174,065.40-56,869.20

Finding the Fourth Proportional to 115,966.80, 174,065.40 and 56,869.20

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Solution

The fourth proportional to 115,966.80, 174,065.40 and 56,869.20 is: 85,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.80 : 174,065.40 = 56,869.20 : x
  2. Step 2: Convert to fraction form
    115,966.80/174,065.40 = 56,869.20/x
  3. Step 3: Cross multiply
    115,966.80x = 174,065.40 × 56,869.20
  4. Step 4: Simplify right side
    115,966.80x = 9,898,960,045.68
  5. Step 5: Solve for x
    x = 9,898,960,045.68/115,966.80
  6. Step 6: Final answer
    x = 85,360.29

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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.