Home / 99,029.23-136,659.75-53,706.76

Finding the Fourth Proportional to 99,029.23, 136,659.75 and 53,706.76

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Solution

The fourth proportional to 99,029.23, 136,659.75 and 53,706.76 is: 74,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,029.23 : 136,659.75 = 53,706.76 : x
  2. Step 2: Convert to fraction form
    99,029.23/136,659.75 = 53,706.76/x
  3. Step 3: Cross multiply
    99,029.23x = 136,659.75 × 53,706.76
  4. Step 4: Simplify right side
    99,029.23x = 7,339,552,394.91
  5. Step 5: Solve for x
    x = 7,339,552,394.91/99,029.23
  6. Step 6: Final answer
    x = 74,115.01

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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.