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Finding the Fourth Proportional to 70,444.48, 97,050 and 49,190.08

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Solution

The fourth proportional to 70,444.48, 97,050 and 49,190.08 is: 67,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.48 : 97,050 = 49,190.08 : x
  2. Step 2: Convert to fraction form
    70,444.48/97,050 = 49,190.08/x
  3. Step 3: Cross multiply
    70,444.48x = 97,050 × 49,190.08
  4. Step 4: Simplify right side
    70,444.48x = 4,773,897,264
  5. Step 5: Solve for x
    x = 4,773,897,264/70,444.48
  6. Step 6: Final answer
    x = 67,768.22

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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.