Home / 83,548.31-115,297.56-45,307.93

Finding the Fourth Proportional to 83,548.31, 115,297.56 and 45,307.93

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Solution

The fourth proportional to 83,548.31, 115,297.56 and 45,307.93 is: 62,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.31 : 115,297.56 = 45,307.93 : x
  2. Step 2: Convert to fraction form
    83,548.31/115,297.56 = 45,307.93/x
  3. Step 3: Cross multiply
    83,548.31x = 115,297.56 × 45,307.93
  4. Step 4: Simplify right side
    83,548.31x = 5,223,892,974.62
  5. Step 5: Solve for x
    x = 5,223,892,974.62/83,548.31
  6. Step 6: Final answer
    x = 62,525.42

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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.