Home / 63,888.46-88,192.74-40,009.66

Finding the Fourth Proportional to 63,888.46, 88,192.74 and 40,009.66

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Solution

The fourth proportional to 63,888.46, 88,192.74 and 40,009.66 is: 55,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.46 : 88,192.74 = 40,009.66 : x
  2. Step 2: Convert to fraction form
    63,888.46/88,192.74 = 40,009.66/x
  3. Step 3: Cross multiply
    63,888.46x = 88,192.74 × 40,009.66
  4. Step 4: Simplify right side
    63,888.46x = 3,528,561,541.87
  5. Step 5: Solve for x
    x = 3,528,561,541.87/63,888.46
  6. Step 6: Final answer
    x = 55,230.03

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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.