Home / 83,600.32-115,254.52-59,685.40

Finding the Fourth Proportional to 83,600.32, 115,254.52 and 59,685.40

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Solution

The fourth proportional to 83,600.32, 115,254.52 and 59,685.40 is: 82,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,600.32 : 115,254.52 = 59,685.40 : x
  2. Step 2: Convert to fraction form
    83,600.32/115,254.52 = 59,685.40/x
  3. Step 3: Cross multiply
    83,600.32x = 115,254.52 × 59,685.40
  4. Step 4: Simplify right side
    83,600.32x = 6,879,012,128.01
  5. Step 5: Solve for x
    x = 6,879,012,128.01/83,600.32
  6. Step 6: Final answer
    x = 82,284.52

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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.