Home / 65,108.21-97,532.91-31,730.94

Finding the Fourth Proportional to 65,108.21, 97,532.91 and 31,730.94

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Solution

The fourth proportional to 65,108.21, 97,532.91 and 31,730.94 is: 47,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,108.21 : 97,532.91 = 31,730.94 : x
  2. Step 2: Convert to fraction form
    65,108.21/97,532.91 = 31,730.94/x
  3. Step 3: Cross multiply
    65,108.21x = 97,532.91 × 31,730.94
  4. Step 4: Simplify right side
    65,108.21x = 3,094,810,915.24
  5. Step 5: Solve for x
    x = 3,094,810,915.24/65,108.21
  6. Step 6: Final answer
    x = 47,533.35

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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.