Home / 82,948.40-124,228.20-51,455.60

Finding the Fourth Proportional to 82,948.40, 124,228.20 and 51,455.60

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Solution

The fourth proportional to 82,948.40, 124,228.20 and 51,455.60 is: 77,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948.40 : 124,228.20 = 51,455.60 : x
  2. Step 2: Convert to fraction form
    82,948.40/124,228.20 = 51,455.60/x
  3. Step 3: Cross multiply
    82,948.40x = 124,228.20 × 51,455.60
  4. Step 4: Simplify right side
    82,948.40x = 6,392,236,567.92
  5. Step 5: Solve for x
    x = 6,392,236,567.92/82,948.40
  6. Step 6: Final answer
    x = 77,062.81

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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.