Home / 86,741.58-119,657.20-52,760.46

Finding the Fourth Proportional to 86,741.58, 119,657.20 and 52,760.46

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Solution

The fourth proportional to 86,741.58, 119,657.20 and 52,760.46 is: 72,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.58 : 119,657.20 = 52,760.46 : x
  2. Step 2: Convert to fraction form
    86,741.58/119,657.20 = 52,760.46/x
  3. Step 3: Cross multiply
    86,741.58x = 119,657.20 × 52,760.46
  4. Step 4: Simplify right side
    86,741.58x = 6,313,168,531.55
  5. Step 5: Solve for x
    x = 6,313,168,531.55/86,741.58
  6. Step 6: Final answer
    x = 72,781.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.