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Finding the Fourth Proportional to 70,954.67, 97,967.48 and 45,526.55

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Solution

The fourth proportional to 70,954.67, 97,967.48 and 45,526.55 is: 62,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.67 : 97,967.48 = 45,526.55 : x
  2. Step 2: Convert to fraction form
    70,954.67/97,967.48 = 45,526.55/x
  3. Step 3: Cross multiply
    70,954.67x = 97,967.48 × 45,526.55
  4. Step 4: Simplify right side
    70,954.67x = 4,460,120,842.81
  5. Step 5: Solve for x
    x = 4,460,120,842.81/70,954.67
  6. Step 6: Final answer
    x = 62,858.73

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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.