Home / 86,997.60-130,496.40-40,341.60

Finding the Fourth Proportional to 86,997.60, 130,496.40 and 40,341.60

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Solution

The fourth proportional to 86,997.60, 130,496.40 and 40,341.60 is: 60,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,997.60 : 130,496.40 = 40,341.60 : x
  2. Step 2: Convert to fraction form
    86,997.60/130,496.40 = 40,341.60/x
  3. Step 3: Cross multiply
    86,997.60x = 130,496.40 × 40,341.60
  4. Step 4: Simplify right side
    86,997.60x = 5,264,433,570.24
  5. Step 5: Solve for x
    x = 5,264,433,570.24/86,997.60
  6. Step 6: Final answer
    x = 60,512.40

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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.