Home / 99,104.40-148,697.64-54,727.20

Finding the Fourth Proportional to 99,104.40, 148,697.64 and 54,727.20

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Solution

The fourth proportional to 99,104.40, 148,697.64 and 54,727.20 is: 82,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.40 : 148,697.64 = 54,727.20 : x
  2. Step 2: Convert to fraction form
    99,104.40/148,697.64 = 54,727.20/x
  3. Step 3: Cross multiply
    99,104.40x = 148,697.64 × 54,727.20
  4. Step 4: Simplify right side
    99,104.40x = 8,137,805,483.81
  5. Step 5: Solve for x
    x = 8,137,805,483.81/99,104.40
  6. Step 6: Final answer
    x = 82,113.46

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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.