Home / 88,107.02-121,587.80-47,820.77

Finding the Fourth Proportional to 88,107.02, 121,587.80 and 47,820.77

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Solution

The fourth proportional to 88,107.02, 121,587.80 and 47,820.77 is: 65,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,107.02 : 121,587.80 = 47,820.77 : x
  2. Step 2: Convert to fraction form
    88,107.02/121,587.80 = 47,820.77/x
  3. Step 3: Cross multiply
    88,107.02x = 121,587.80 × 47,820.77
  4. Step 4: Simplify right side
    88,107.02x = 5,814,422,218.61
  5. Step 5: Solve for x
    x = 5,814,422,218.61/88,107.02
  6. Step 6: Final answer
    x = 65,992.72

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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.