Home / 88,007.24-121,446.78-47,720.36

Finding the Fourth Proportional to 88,007.24, 121,446.78 and 47,720.36

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Solution

The fourth proportional to 88,007.24, 121,446.78 and 47,720.36 is: 65,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.24 : 121,446.78 = 47,720.36 : x
  2. Step 2: Convert to fraction form
    88,007.24/121,446.78 = 47,720.36/x
  3. Step 3: Cross multiply
    88,007.24x = 121,446.78 × 47,720.36
  4. Step 4: Simplify right side
    88,007.24x = 5,795,484,062.44
  5. Step 5: Solve for x
    x = 5,795,484,062.44/88,007.24
  6. Step 6: Final answer
    x = 65,852.36

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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.