Home / 82,951.20-124,426.80-49,271.40

Finding the Fourth Proportional to 82,951.20, 124,426.80 and 49,271.40

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Solution

The fourth proportional to 82,951.20, 124,426.80 and 49,271.40 is: 73,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,951.20 : 124,426.80 = 49,271.40 : x
  2. Step 2: Convert to fraction form
    82,951.20/124,426.80 = 49,271.40/x
  3. Step 3: Cross multiply
    82,951.20x = 124,426.80 × 49,271.40
  4. Step 4: Simplify right side
    82,951.20x = 6,130,682,633.52
  5. Step 5: Solve for x
    x = 6,130,682,633.52/82,951.20
  6. Step 6: Final answer
    x = 73,907.10

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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.