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Finding the Fourth Proportional to 84,960.65, 127,445.68 and 28,032.30

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Solution

The fourth proportional to 84,960.65, 127,445.68 and 28,032.30 is: 42,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960.65 : 127,445.68 = 28,032.30 : x
  2. Step 2: Convert to fraction form
    84,960.65/127,445.68 = 28,032.30/x
  3. Step 3: Cross multiply
    84,960.65x = 127,445.68 × 28,032.30
  4. Step 4: Simplify right side
    84,960.65x = 3,572,595,535.46
  5. Step 5: Solve for x
    x = 3,572,595,535.46/84,960.65
  6. Step 6: Final answer
    x = 42,050.00

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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.