Home / 83,962.05-115,670.54-58,424.50

Finding the Fourth Proportional to 83,962.05, 115,670.54 and 58,424.50

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Solution

The fourth proportional to 83,962.05, 115,670.54 and 58,424.50 is: 80,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962.05 : 115,670.54 = 58,424.50 : x
  2. Step 2: Convert to fraction form
    83,962.05/115,670.54 = 58,424.50/x
  3. Step 3: Cross multiply
    83,962.05x = 115,670.54 × 58,424.50
  4. Step 4: Simplify right side
    83,962.05x = 6,757,993,031.94
  5. Step 5: Solve for x
    x = 6,757,993,031.94/83,962.05
  6. Step 6: Final answer
    x = 80,488.66

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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.