Home / 77,035.74-106,310.03-45,205.17

Finding the Fourth Proportional to 77,035.74, 106,310.03 and 45,205.17

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Solution

The fourth proportional to 77,035.74, 106,310.03 and 45,205.17 is: 62,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,035.74 : 106,310.03 = 45,205.17 : x
  2. Step 2: Convert to fraction form
    77,035.74/106,310.03 = 45,205.17/x
  3. Step 3: Cross multiply
    77,035.74x = 106,310.03 × 45,205.17
  4. Step 4: Simplify right side
    77,035.74x = 4,805,762,752.83
  5. Step 5: Solve for x
    x = 4,805,762,752.83/77,035.74
  6. Step 6: Final answer
    x = 62,383.55

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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.