Home / 99,049.90-136,688.06-53,727.77

Finding the Fourth Proportional to 99,049.90, 136,688.06 and 53,727.77

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Solution

The fourth proportional to 99,049.90, 136,688.06 and 53,727.77 is: 74,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.90 : 136,688.06 = 53,727.77 : x
  2. Step 2: Convert to fraction form
    99,049.90/136,688.06 = 53,727.77/x
  3. Step 3: Cross multiply
    99,049.90x = 136,688.06 × 53,727.77
  4. Step 4: Simplify right side
    99,049.90x = 7,343,944,649.43
  5. Step 5: Solve for x
    x = 7,343,944,649.43/99,049.90
  6. Step 6: Final answer
    x = 74,143.89

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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.