Home / 63,985.78-88,302.30-35,690.86

Finding the Fourth Proportional to 63,985.78, 88,302.30 and 35,690.86

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Solution

The fourth proportional to 63,985.78, 88,302.30 and 35,690.86 is: 49,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.78 : 88,302.30 = 35,690.86 : x
  2. Step 2: Convert to fraction form
    63,985.78/88,302.30 = 35,690.86/x
  3. Step 3: Cross multiply
    63,985.78x = 88,302.30 × 35,690.86
  4. Step 4: Simplify right side
    63,985.78x = 3,151,585,026.98
  5. Step 5: Solve for x
    x = 3,151,585,026.98/63,985.78
  6. Step 6: Final answer
    x = 49,254.46

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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.