Home / 86,800.20-130,200.30-60,534.60

Finding the Fourth Proportional to 86,800.20, 130,200.30 and 60,534.60

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Solution

The fourth proportional to 86,800.20, 130,200.30 and 60,534.60 is: 90,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.20 : 130,200.30 = 60,534.60 : x
  2. Step 2: Convert to fraction form
    86,800.20/130,200.30 = 60,534.60/x
  3. Step 3: Cross multiply
    86,800.20x = 130,200.30 × 60,534.60
  4. Step 4: Simplify right side
    86,800.20x = 7,881,623,080.38
  5. Step 5: Solve for x
    x = 7,881,623,080.38/86,800.20
  6. Step 6: Final answer
    x = 90,801.90

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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.