Home / 77,811.95-107,386.22-43,824.15

Finding the Fourth Proportional to 77,811.95, 107,386.22 and 43,824.15

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Solution

The fourth proportional to 77,811.95, 107,386.22 and 43,824.15 is: 60,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,811.95 : 107,386.22 = 43,824.15 : x
  2. Step 2: Convert to fraction form
    77,811.95/107,386.22 = 43,824.15/x
  3. Step 3: Cross multiply
    77,811.95x = 107,386.22 × 43,824.15
  4. Step 4: Simplify right side
    77,811.95x = 4,706,109,922.77
  5. Step 5: Solve for x
    x = 4,706,109,922.77/77,811.95
  6. Step 6: Final answer
    x = 60,480.55

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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.