Home / 83,398.38-115,090.16-45,672.63

Finding the Fourth Proportional to 83,398.38, 115,090.16 and 45,672.63

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Solution

The fourth proportional to 83,398.38, 115,090.16 and 45,672.63 is: 63,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.38 : 115,090.16 = 45,672.63 : x
  2. Step 2: Convert to fraction form
    83,398.38/115,090.16 = 45,672.63/x
  3. Step 3: Cross multiply
    83,398.38x = 115,090.16 × 45,672.63
  4. Step 4: Simplify right side
    83,398.38x = 5,256,470,294.32
  5. Step 5: Solve for x
    x = 5,256,470,294.32/83,398.38
  6. Step 6: Final answer
    x = 63,028.45

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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.