Home / 54,950.04-75,830.55-31,081.38

Finding the Fourth Proportional to 54,950.04, 75,830.55 and 31,081.38

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Solution

The fourth proportional to 54,950.04, 75,830.55 and 31,081.38 is: 42,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,950.04 : 75,830.55 = 31,081.38 : x
  2. Step 2: Convert to fraction form
    54,950.04/75,830.55 = 31,081.38/x
  3. Step 3: Cross multiply
    54,950.04x = 75,830.55 × 31,081.38
  4. Step 4: Simplify right side
    54,950.04x = 2,356,918,140.16
  5. Step 5: Solve for x
    x = 2,356,918,140.16/54,950.04
  6. Step 6: Final answer
    x = 42,892.02

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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.