Home / 88,302.78-121,859.04-50,577

Finding the Fourth Proportional to 88,302.78, 121,859.04 and 50,577

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Solution

The fourth proportional to 88,302.78, 121,859.04 and 50,577 is: 69,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,302.78 : 121,859.04 = 50,577 : x
  2. Step 2: Convert to fraction form
    88,302.78/121,859.04 = 50,577/x
  3. Step 3: Cross multiply
    88,302.78x = 121,859.04 × 50,577
  4. Step 4: Simplify right side
    88,302.78x = 6,163,264,666.08
  5. Step 5: Solve for x
    x = 6,163,264,666.08/88,302.78
  6. Step 6: Final answer
    x = 69,796.95

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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.