Home / 77,822.49-107,411.09-50,632.55

Finding the Fourth Proportional to 77,822.49, 107,411.09 and 50,632.55

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Solution

The fourth proportional to 77,822.49, 107,411.09 and 50,632.55 is: 69,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,822.49 : 107,411.09 = 50,632.55 : x
  2. Step 2: Convert to fraction form
    77,822.49/107,411.09 = 50,632.55/x
  3. Step 3: Cross multiply
    77,822.49x = 107,411.09 × 50,632.55
  4. Step 4: Simplify right side
    77,822.49x = 5,438,496,594.76
  5. Step 5: Solve for x
    x = 5,438,496,594.76/77,822.49
  6. Step 6: Final answer
    x = 69,883.35

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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.