Home / 86,339.15-119,116.42-52,323.10

Finding the Fourth Proportional to 86,339.15, 119,116.42 and 52,323.10

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Solution

The fourth proportional to 86,339.15, 119,116.42 and 52,323.10 is: 72,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339.15 : 119,116.42 = 52,323.10 : x
  2. Step 2: Convert to fraction form
    86,339.15/119,116.42 = 52,323.10/x
  3. Step 3: Cross multiply
    86,339.15x = 119,116.42 × 52,323.10
  4. Step 4: Simplify right side
    86,339.15x = 6,232,540,221.02
  5. Step 5: Solve for x
    x = 6,232,540,221.02/86,339.15
  6. Step 6: Final answer
    x = 72,186.72

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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.