Home / 53,763.35-74,172.11-31,098.13

Finding the Fourth Proportional to 53,763.35, 74,172.11 and 31,098.13

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Solution

The fourth proportional to 53,763.35, 74,172.11 and 31,098.13 is: 42,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.35 : 74,172.11 = 31,098.13 : x
  2. Step 2: Convert to fraction form
    53,763.35/74,172.11 = 31,098.13/x
  3. Step 3: Cross multiply
    53,763.35x = 74,172.11 × 31,098.13
  4. Step 4: Simplify right side
    53,763.35x = 2,306,613,578.23
  5. Step 5: Solve for x
    x = 2,306,613,578.23/53,763.35
  6. Step 6: Final answer
    x = 42,903.09

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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.