Home / 85,032.10-127,544.10-28,866.70

Finding the Fourth Proportional to 85,032.10, 127,544.10 and 28,866.70

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Solution

The fourth proportional to 85,032.10, 127,544.10 and 28,866.70 is: 43,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,032.10 : 127,544.10 = 28,866.70 : x
  2. Step 2: Convert to fraction form
    85,032.10/127,544.10 = 28,866.70/x
  3. Step 3: Cross multiply
    85,032.10x = 127,544.10 × 28,866.70
  4. Step 4: Simplify right side
    85,032.10x = 3,681,777,271.47
  5. Step 5: Solve for x
    x = 3,681,777,271.47/85,032.10
  6. Step 6: Final answer
    x = 43,298.68

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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.