Home / 82,837.20-124,255.80-70,006.80

Finding the Fourth Proportional to 82,837.20, 124,255.80 and 70,006.80

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Solution

The fourth proportional to 82,837.20, 124,255.80 and 70,006.80 is: 105,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,837.20 : 124,255.80 = 70,006.80 : x
  2. Step 2: Convert to fraction form
    82,837.20/124,255.80 = 70,006.80/x
  3. Step 3: Cross multiply
    82,837.20x = 124,255.80 × 70,006.80
  4. Step 4: Simplify right side
    82,837.20x = 8,698,750,939.44
  5. Step 5: Solve for x
    x = 8,698,750,939.44/82,837.20
  6. Step 6: Final answer
    x = 105,010.20

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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.