Home / 86,312.42-129,481.40-44,216.32

Finding the Fourth Proportional to 86,312.42, 129,481.40 and 44,216.32

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Solution

The fourth proportional to 86,312.42, 129,481.40 and 44,216.32 is: 66,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,312.42 : 129,481.40 = 44,216.32 : x
  2. Step 2: Convert to fraction form
    86,312.42/129,481.40 = 44,216.32/x
  3. Step 3: Cross multiply
    86,312.42x = 129,481.40 × 44,216.32
  4. Step 4: Simplify right side
    86,312.42x = 5,725,191,016.45
  5. Step 5: Solve for x
    x = 5,725,191,016.45/86,312.42
  6. Step 6: Final answer
    x = 66,331.02

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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.