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Finding the Fourth Proportional to 97,459.47, 134,494.03 and 52,747.47

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Solution

The fourth proportional to 97,459.47, 134,494.03 and 52,747.47 is: 72,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,459.47 : 134,494.03 = 52,747.47 : x
  2. Step 2: Convert to fraction form
    97,459.47/134,494.03 = 52,747.47/x
  3. Step 3: Cross multiply
    97,459.47x = 134,494.03 × 52,747.47
  4. Step 4: Simplify right side
    97,459.47x = 7,094,219,812.60
  5. Step 5: Solve for x
    x = 7,094,219,812.60/97,459.47
  6. Step 6: Final answer
    x = 72,791.49

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1.5x scale

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.