Home / 115,420.52-173,229.02-45,348.84

Finding the Fourth Proportional to 115,420.52, 173,229.02 and 45,348.84

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Solution

The fourth proportional to 115,420.52, 173,229.02 and 45,348.84 is: 68,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,420.52 : 173,229.02 = 45,348.84 : x
  2. Step 2: Convert to fraction form
    115,420.52/173,229.02 = 45,348.84/x
  3. Step 3: Cross multiply
    115,420.52x = 173,229.02 × 45,348.84
  4. Step 4: Simplify right side
    115,420.52x = 7,855,735,111.34
  5. Step 5: Solve for x
    x = 7,855,735,111.34/115,420.52
  6. Step 6: Final answer
    x = 68,061.86

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1.5x scale

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.