Home / 61,449.12-84,810.60-58,644.30

Finding the Fourth Proportional to 61,449.12, 84,810.60 and 58,644.30

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Solution

The fourth proportional to 61,449.12, 84,810.60 and 58,644.30 is: 80,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,449.12 : 84,810.60 = 58,644.30 : x
  2. Step 2: Convert to fraction form
    61,449.12/84,810.60 = 58,644.30/x
  3. Step 3: Cross multiply
    61,449.12x = 84,810.60 × 58,644.30
  4. Step 4: Simplify right side
    61,449.12x = 4,973,658,269.58
  5. Step 5: Solve for x
    x = 4,973,658,269.58/61,449.12
  6. Step 6: Final answer
    x = 80,939.45

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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.