Home / 99,031.41-136,680.81-58,767.38

Finding the Fourth Proportional to 99,031.41, 136,680.81 and 58,767.38

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Solution

The fourth proportional to 99,031.41, 136,680.81 and 58,767.38 is: 81,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.41 : 136,680.81 = 58,767.38 : x
  2. Step 2: Convert to fraction form
    99,031.41/136,680.81 = 58,767.38/x
  3. Step 3: Cross multiply
    99,031.41x = 136,680.81 × 58,767.38
  4. Step 4: Simplify right side
    99,031.41x = 8,032,372,416.57
  5. Step 5: Solve for x
    x = 8,032,372,416.57/99,031.41
  6. Step 6: Final answer
    x = 81,109.34

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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.