Home / 115,030.10-172,642.35-44,959.70

Finding the Fourth Proportional to 115,030.10, 172,642.35 and 44,959.70

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Solution

The fourth proportional to 115,030.10, 172,642.35 and 44,959.70 is: 67,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.10 : 172,642.35 = 44,959.70 : x
  2. Step 2: Convert to fraction form
    115,030.10/172,642.35 = 44,959.70/x
  3. Step 3: Cross multiply
    115,030.10x = 172,642.35 × 44,959.70
  4. Step 4: Simplify right side
    115,030.10x = 7,761,948,263.30
  5. Step 5: Solve for x
    x = 7,761,948,263.30/115,030.10
  6. Step 6: Final answer
    x = 67,477.54

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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.