Home / 88,113.02-121,596.08-47,826.78

Finding the Fourth Proportional to 88,113.02, 121,596.08 and 47,826.78

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Solution

The fourth proportional to 88,113.02, 121,596.08 and 47,826.78 is: 66,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,113.02 : 121,596.08 = 47,826.78 : x
  2. Step 2: Convert to fraction form
    88,113.02/121,596.08 = 47,826.78/x
  3. Step 3: Cross multiply
    88,113.02x = 121,596.08 × 47,826.78
  4. Step 4: Simplify right side
    88,113.02x = 5,815,548,967.02
  5. Step 5: Solve for x
    x = 5,815,548,967.02/88,113.02
  6. Step 6: Final answer
    x = 66,001.02

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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.