Home / 99,727.12-149,498.34-52,332.40

Finding the Fourth Proportional to 99,727.12, 149,498.34 and 52,332.40

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Solution

The fourth proportional to 99,727.12, 149,498.34 and 52,332.40 is: 78,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727.12 : 149,498.34 = 52,332.40 : x
  2. Step 2: Convert to fraction form
    99,727.12/149,498.34 = 52,332.40/x
  3. Step 3: Cross multiply
    99,727.12x = 149,498.34 × 52,332.40
  4. Step 4: Simplify right side
    99,727.12x = 7,823,606,928.22
  5. Step 5: Solve for x
    x = 7,823,606,928.22/99,727.12
  6. Step 6: Final answer
    x = 78,450.14

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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.