Home / 91,089.19-125,714.05-53,363.44

Finding the Fourth Proportional to 91,089.19, 125,714.05 and 53,363.44

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Solution

The fourth proportional to 91,089.19, 125,714.05 and 53,363.44 is: 73,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,089.19 : 125,714.05 = 53,363.44 : x
  2. Step 2: Convert to fraction form
    91,089.19/125,714.05 = 53,363.44/x
  3. Step 3: Cross multiply
    91,089.19x = 125,714.05 × 53,363.44
  4. Step 4: Simplify right side
    91,089.19x = 6,708,534,164.33
  5. Step 5: Solve for x
    x = 6,708,534,164.33/91,089.19
  6. Step 6: Final answer
    x = 73,647.97

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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.