Home / 58,877.69-81,278.03-38,735.42

Finding the Fourth Proportional to 58,877.69, 81,278.03 and 38,735.42

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Solution

The fourth proportional to 58,877.69, 81,278.03 and 38,735.42 is: 53,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,877.69 : 81,278.03 = 38,735.42 : x
  2. Step 2: Convert to fraction form
    58,877.69/81,278.03 = 38,735.42/x
  3. Step 3: Cross multiply
    58,877.69x = 81,278.03 × 38,735.42
  4. Step 4: Simplify right side
    58,877.69x = 3,148,338,319.27
  5. Step 5: Solve for x
    x = 3,148,338,319.27/58,877.69
  6. Step 6: Final answer
    x = 53,472.52

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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.