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Finding the Fourth Proportional to 97,452.51, 134,484.48 and 52,740.51

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Solution

The fourth proportional to 97,452.51, 134,484.48 and 52,740.51 is: 72,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,452.51 : 134,484.48 = 52,740.51 : x
  2. Step 2: Convert to fraction form
    97,452.51/134,484.48 = 52,740.51/x
  3. Step 3: Cross multiply
    97,452.51x = 134,484.48 × 52,740.51
  4. Step 4: Simplify right side
    97,452.51x = 7,092,780,062.28
  5. Step 5: Solve for x
    x = 7,092,780,062.28/97,452.51
  6. Step 6: Final answer
    x = 72,781.91

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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.