Home / 99,029.49-136,678.16-58,765.45

Finding the Fourth Proportional to 99,029.49, 136,678.16 and 58,765.45

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Solution

The fourth proportional to 99,029.49, 136,678.16 and 58,765.45 is: 81,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,029.49 : 136,678.16 = 58,765.45 : x
  2. Step 2: Convert to fraction form
    99,029.49/136,678.16 = 58,765.45/x
  3. Step 3: Cross multiply
    99,029.49x = 136,678.16 × 58,765.45
  4. Step 4: Simplify right side
    99,029.49x = 8,031,953,473.78
  5. Step 5: Solve for x
    x = 8,031,953,473.78/99,029.49
  6. Step 6: Final answer
    x = 81,106.69

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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.