Home / 88,111.22-121,590.23-47,824.12

Finding the Fourth Proportional to 88,111.22, 121,590.23 and 47,824.12

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Solution

The fourth proportional to 88,111.22, 121,590.23 and 47,824.12 is: 65,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,111.22 : 121,590.23 = 47,824.12 : x
  2. Step 2: Convert to fraction form
    88,111.22/121,590.23 = 47,824.12/x
  3. Step 3: Cross multiply
    88,111.22x = 121,590.23 × 47,824.12
  4. Step 4: Simplify right side
    88,111.22x = 5,814,944,903.28
  5. Step 5: Solve for x
    x = 5,814,944,903.28/88,111.22
  6. Step 6: Final answer
    x = 65,995.51

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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.