Home / 66,988.13-92,441.23-37,915.87

Finding the Fourth Proportional to 66,988.13, 92,441.23 and 37,915.87

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Solution

The fourth proportional to 66,988.13, 92,441.23 and 37,915.87 is: 52,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,988.13 : 92,441.23 = 37,915.87 : x
  2. Step 2: Convert to fraction form
    66,988.13/92,441.23 = 37,915.87/x
  3. Step 3: Cross multiply
    66,988.13x = 92,441.23 × 37,915.87
  4. Step 4: Simplify right side
    66,988.13x = 3,504,989,782.32
  5. Step 5: Solve for x
    x = 3,504,989,782.32/66,988.13
  6. Step 6: Final answer
    x = 52,322.55

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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.