Home / 53,736.65-74,150.68-31,072.20

Finding the Fourth Proportional to 53,736.65, 74,150.68 and 31,072.20

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Solution

The fourth proportional to 53,736.65, 74,150.68 and 31,072.20 is: 42,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.65 : 74,150.68 = 31,072.20 : x
  2. Step 2: Convert to fraction form
    53,736.65/74,150.68 = 31,072.20/x
  3. Step 3: Cross multiply
    53,736.65x = 74,150.68 × 31,072.20
  4. Step 4: Simplify right side
    53,736.65x = 2,304,024,603.74
  5. Step 5: Solve for x
    x = 2,304,024,603.74/53,736.65
  6. Step 6: Final answer
    x = 42,876.23

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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.