Home / 86,777.10-130,165.65-24,447.60

Finding the Fourth Proportional to 86,777.10, 130,165.65 and 24,447.60

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Solution

The fourth proportional to 86,777.10, 130,165.65 and 24,447.60 is: 36,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,777.10 : 130,165.65 = 24,447.60 : x
  2. Step 2: Convert to fraction form
    86,777.10/130,165.65 = 24,447.60/x
  3. Step 3: Cross multiply
    86,777.10x = 130,165.65 × 24,447.60
  4. Step 4: Simplify right side
    86,777.10x = 3,182,237,744.94
  5. Step 5: Solve for x
    x = 3,182,237,744.94/86,777.10
  6. Step 6: Final answer
    x = 36,671.40

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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.