Home / 75,678.01-113,342.05-73,053.61

Finding the Fourth Proportional to 75,678.01, 113,342.05 and 73,053.61

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Solution

The fourth proportional to 75,678.01, 113,342.05 and 73,053.61 is: 109,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.01 : 113,342.05 = 73,053.61 : x
  2. Step 2: Convert to fraction form
    75,678.01/113,342.05 = 73,053.61/x
  3. Step 3: Cross multiply
    75,678.01x = 113,342.05 × 73,053.61
  4. Step 4: Simplify right side
    75,678.01x = 8,280,045,917.30
  5. Step 5: Solve for x
    x = 8,280,045,917.30/75,678.01
  6. Step 6: Final answer
    x = 109,411.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.