Home / 82,836.20-124,254.30-70,005.80

Finding the Fourth Proportional to 82,836.20, 124,254.30 and 70,005.80

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Solution

The fourth proportional to 82,836.20, 124,254.30 and 70,005.80 is: 105,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,836.20 : 124,254.30 = 70,005.80 : x
  2. Step 2: Convert to fraction form
    82,836.20/124,254.30 = 70,005.80/x
  3. Step 3: Cross multiply
    82,836.20x = 124,254.30 × 70,005.80
  4. Step 4: Simplify right side
    82,836.20x = 8,698,521,674.94
  5. Step 5: Solve for x
    x = 8,698,521,674.94/82,836.20
  6. Step 6: Final answer
    x = 105,008.70

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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.