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Finding the Fourth Proportional to 97,452.85, 134,484.93 and 52,740.85

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Solution

The fourth proportional to 97,452.85, 134,484.93 and 52,740.85 is: 72,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,452.85 : 134,484.93 = 52,740.85 : x
  2. Step 2: Convert to fraction form
    97,452.85/134,484.93 = 52,740.85/x
  3. Step 3: Cross multiply
    97,452.85x = 134,484.93 × 52,740.85
  4. Step 4: Simplify right side
    97,452.85x = 7,092,849,184.18
  5. Step 5: Solve for x
    x = 7,092,849,184.18/97,452.85
  6. Step 6: Final answer
    x = 72,782.37

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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.