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Finding the Fourth Proportional to 65,113.52, 97,671.10 and 20,740.10

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Solution

The fourth proportional to 65,113.52, 97,671.10 and 20,740.10 is: 31,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,113.52 : 97,671.10 = 20,740.10 : x
  2. Step 2: Convert to fraction form
    65,113.52/97,671.10 = 20,740.10/x
  3. Step 3: Cross multiply
    65,113.52x = 97,671.10 × 20,740.10
  4. Step 4: Simplify right side
    65,113.52x = 2,025,708,381.11
  5. Step 5: Solve for x
    x = 2,025,708,381.11/65,113.52
  6. Step 6: Final answer
    x = 31,110.41

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1.5x scale

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.