Home / 77,401.55-106,818.46-58,246.88

Finding the Fourth Proportional to 77,401.55, 106,818.46 and 58,246.88

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Solution

The fourth proportional to 77,401.55, 106,818.46 and 58,246.88 is: 80,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.55 : 106,818.46 = 58,246.88 : x
  2. Step 2: Convert to fraction form
    77,401.55/106,818.46 = 58,246.88/x
  3. Step 3: Cross multiply
    77,401.55x = 106,818.46 × 58,246.88
  4. Step 4: Simplify right side
    77,401.55x = 6,221,841,341.70
  5. Step 5: Solve for x
    x = 6,221,841,341.70/77,401.55
  6. Step 6: Final answer
    x = 80,383.93

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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.