Home / 61,154.01-84,314.41-39,605.68

Finding the Fourth Proportional to 61,154.01, 84,314.41 and 39,605.68

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Solution

The fourth proportional to 61,154.01, 84,314.41 and 39,605.68 is: 54,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.01 : 84,314.41 = 39,605.68 : x
  2. Step 2: Convert to fraction form
    61,154.01/84,314.41 = 39,605.68/x
  3. Step 3: Cross multiply
    61,154.01x = 84,314.41 × 39,605.68
  4. Step 4: Simplify right side
    61,154.01x = 3,339,329,343.82
  5. Step 5: Solve for x
    x = 3,339,329,343.82/61,154.01
  6. Step 6: Final answer
    x = 54,605.24

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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.