Home / 86,273.17-129,303.20-36,335.77

Finding the Fourth Proportional to 86,273.17, 129,303.20 and 36,335.77

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Solution

The fourth proportional to 86,273.17, 129,303.20 and 36,335.77 is: 54,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273.17 : 129,303.20 = 36,335.77 : x
  2. Step 2: Convert to fraction form
    86,273.17/129,303.20 = 36,335.77/x
  3. Step 3: Cross multiply
    86,273.17x = 129,303.20 × 36,335.77
  4. Step 4: Simplify right side
    86,273.17x = 4,698,331,153.79
  5. Step 5: Solve for x
    x = 4,698,331,153.79/86,273.17
  6. Step 6: Final answer
    x = 54,458.78

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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.