Home / 62,985.44-86,918.11-34,304.45

Finding the Fourth Proportional to 62,985.44, 86,918.11 and 34,304.45

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Solution

The fourth proportional to 62,985.44, 86,918.11 and 34,304.45 is: 47,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.44 : 86,918.11 = 34,304.45 : x
  2. Step 2: Convert to fraction form
    62,985.44/86,918.11 = 34,304.45/x
  3. Step 3: Cross multiply
    62,985.44x = 86,918.11 × 34,304.45
  4. Step 4: Simplify right side
    62,985.44x = 2,981,677,438.24
  5. Step 5: Solve for x
    x = 2,981,677,438.24/62,985.44
  6. Step 6: Final answer
    x = 47,339.15

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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.