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Finding the Fourth Proportional to 65,145.86, 97,733.13 and 37,079.12

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Solution

The fourth proportional to 65,145.86, 97,733.13 and 37,079.12 is: 55,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,145.86 : 97,733.13 = 37,079.12 : x
  2. Step 2: Convert to fraction form
    65,145.86/97,733.13 = 37,079.12/x
  3. Step 3: Cross multiply
    65,145.86x = 97,733.13 × 37,079.12
  4. Step 4: Simplify right side
    65,145.86x = 3,623,858,455.25
  5. Step 5: Solve for x
    x = 3,623,858,455.25/65,145.86
  6. Step 6: Final answer
    x = 55,626.84

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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.