Home / 65,261.76-97,915.98-40,272.72

Finding the Fourth Proportional to 65,261.76, 97,915.98 and 40,272.72

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Solution

The fourth proportional to 65,261.76, 97,915.98 and 40,272.72 is: 60,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.76 : 97,915.98 = 40,272.72 : x
  2. Step 2: Convert to fraction form
    65,261.76/97,915.98 = 40,272.72/x
  3. Step 3: Cross multiply
    65,261.76x = 97,915.98 × 40,272.72
  4. Step 4: Simplify right side
    65,261.76x = 3,943,342,846.07
  5. Step 5: Solve for x
    x = 3,943,342,846.07/65,261.76
  6. Step 6: Final answer
    x = 60,423.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.