Home / 82,725.60-124,088.40-47,733.60

Finding the Fourth Proportional to 82,725.60, 124,088.40 and 47,733.60

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Solution

The fourth proportional to 82,725.60, 124,088.40 and 47,733.60 is: 71,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725.60 : 124,088.40 = 47,733.60 : x
  2. Step 2: Convert to fraction form
    82,725.60/124,088.40 = 47,733.60/x
  3. Step 3: Cross multiply
    82,725.60x = 124,088.40 × 47,733.60
  4. Step 4: Simplify right side
    82,725.60x = 5,923,186,050.24
  5. Step 5: Solve for x
    x = 5,923,186,050.24/82,725.60
  6. Step 6: Final answer
    x = 71,600.40

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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.