Home / 88,002.56-121,442.77-49,769.63

Finding the Fourth Proportional to 88,002.56, 121,442.77 and 49,769.63

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Solution

The fourth proportional to 88,002.56, 121,442.77 and 49,769.63 is: 68,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.56 : 121,442.77 = 49,769.63 : x
  2. Step 2: Convert to fraction form
    88,002.56/121,442.77 = 49,769.63/x
  3. Step 3: Cross multiply
    88,002.56x = 121,442.77 × 49,769.63
  4. Step 4: Simplify right side
    88,002.56x = 6,044,161,908.26
  5. Step 5: Solve for x
    x = 6,044,161,908.26/88,002.56
  6. Step 6: Final answer
    x = 68,681.66

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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.