Home / 51,543.65-71,164.50-39,585.62

Finding the Fourth Proportional to 51,543.65, 71,164.50 and 39,585.62

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Solution

The fourth proportional to 51,543.65, 71,164.50 and 39,585.62 is: 54,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.65 : 71,164.50 = 39,585.62 : x
  2. Step 2: Convert to fraction form
    51,543.65/71,164.50 = 39,585.62/x
  3. Step 3: Cross multiply
    51,543.65x = 71,164.50 × 39,585.62
  4. Step 4: Simplify right side
    51,543.65x = 2,817,090,854.49
  5. Step 5: Solve for x
    x = 2,817,090,854.49/51,543.65
  6. Step 6: Final answer
    x = 54,654.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.