Home / 63,885.08-88,126.71-40,007.09

Finding the Fourth Proportional to 63,885.08, 88,126.71 and 40,007.09

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Solution

The fourth proportional to 63,885.08, 88,126.71 and 40,007.09 is: 55,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,885.08 : 88,126.71 = 40,007.09 : x
  2. Step 2: Convert to fraction form
    63,885.08/88,126.71 = 40,007.09/x
  3. Step 3: Cross multiply
    63,885.08x = 88,126.71 × 40,007.09
  4. Step 4: Simplify right side
    63,885.08x = 3,525,693,218.37
  5. Step 5: Solve for x
    x = 3,525,693,218.37/63,885.08
  6. Step 6: Final answer
    x = 55,188.05

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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.