Home / 62,543.67-86,291.55-38,678.04

Finding the Fourth Proportional to 62,543.67, 86,291.55 and 38,678.04

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Solution

The fourth proportional to 62,543.67, 86,291.55 and 38,678.04 is: 53,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.67 : 86,291.55 = 38,678.04 : x
  2. Step 2: Convert to fraction form
    62,543.67/86,291.55 = 38,678.04/x
  3. Step 3: Cross multiply
    62,543.67x = 86,291.55 × 38,678.04
  4. Step 4: Simplify right side
    62,543.67x = 3,337,588,022.56
  5. Step 5: Solve for x
    x = 3,337,588,022.56/62,543.67
  6. Step 6: Final answer
    x = 53,364.12

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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.