Home / 99,230.60-136,937.69-53,908.22

Finding the Fourth Proportional to 99,230.60, 136,937.69 and 53,908.22

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Solution

The fourth proportional to 99,230.60, 136,937.69 and 53,908.22 is: 74,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,230.60 : 136,937.69 = 53,908.22 : x
  2. Step 2: Convert to fraction form
    99,230.60/136,937.69 = 53,908.22/x
  3. Step 3: Cross multiply
    99,230.60x = 136,937.69 × 53,908.22
  4. Step 4: Simplify right side
    99,230.60x = 7,382,066,849.27
  5. Step 5: Solve for x
    x = 7,382,066,849.27/99,230.60
  6. Step 6: Final answer
    x = 74,393.05

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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.