Home / 115,250.50-172,943.79-48,686.32

Finding the Fourth Proportional to 115,250.50, 172,943.79 and 48,686.32

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Solution

The fourth proportional to 115,250.50, 172,943.79 and 48,686.32 is: 73,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250.50 : 172,943.79 = 48,686.32 : x
  2. Step 2: Convert to fraction form
    115,250.50/172,943.79 = 48,686.32/x
  3. Step 3: Cross multiply
    115,250.50x = 172,943.79 × 48,686.32
  4. Step 4: Simplify right side
    115,250.50x = 8,419,996,701.95
  5. Step 5: Solve for x
    x = 8,419,996,701.95/115,250.50
  6. Step 6: Final answer
    x = 73,058.22

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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.