Home / 99,017.40-148,564.96-43,574.52

Finding the Fourth Proportional to 99,017.40, 148,564.96 and 43,574.52

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Solution

The fourth proportional to 99,017.40, 148,564.96 and 43,574.52 is: 65,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.40 : 148,564.96 = 43,574.52 : x
  2. Step 2: Convert to fraction form
    99,017.40/148,564.96 = 43,574.52/x
  3. Step 3: Cross multiply
    99,017.40x = 148,564.96 × 43,574.52
  4. Step 4: Simplify right side
    99,017.40x = 6,473,646,820.82
  5. Step 5: Solve for x
    x = 6,473,646,820.82/99,017.40
  6. Step 6: Final answer
    x = 65,378.88

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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.