Home / 86,754.12-130,150.32-36,876.84

Finding the Fourth Proportional to 86,754.12, 130,150.32 and 36,876.84

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Solution

The fourth proportional to 86,754.12, 130,150.32 and 36,876.84 is: 55,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,754.12 : 130,150.32 = 36,876.84 : x
  2. Step 2: Convert to fraction form
    86,754.12/130,150.32 = 36,876.84/x
  3. Step 3: Cross multiply
    86,754.12x = 130,150.32 × 36,876.84
  4. Step 4: Simplify right side
    86,754.12x = 4,799,532,526.59
  5. Step 5: Solve for x
    x = 4,799,532,526.59/86,754.12
  6. Step 6: Final answer
    x = 55,323.40

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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.