Home / 115,621.19-173,428.10-52,395.02

Finding the Fourth Proportional to 115,621.19, 173,428.10 and 52,395.02

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Solution

The fourth proportional to 115,621.19, 173,428.10 and 52,395.02 is: 78,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,621.19 : 173,428.10 = 52,395.02 : x
  2. Step 2: Convert to fraction form
    115,621.19/173,428.10 = 52,395.02/x
  3. Step 3: Cross multiply
    115,621.19x = 173,428.10 × 52,395.02
  4. Step 4: Simplify right side
    115,621.19x = 9,086,767,638.95
  5. Step 5: Solve for x
    x = 9,086,767,638.95/115,621.19
  6. Step 6: Final answer
    x = 78,590.85

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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.