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Finding the Fourth Proportional to 61,106.62, 84,302.76 and 35,609.17

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Solution

The fourth proportional to 61,106.62, 84,302.76 and 35,609.17 is: 49,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,106.62 : 84,302.76 = 35,609.17 : x
  2. Step 2: Convert to fraction form
    61,106.62/84,302.76 = 35,609.17/x
  3. Step 3: Cross multiply
    61,106.62x = 84,302.76 × 35,609.17
  4. Step 4: Simplify right side
    61,106.62x = 3,001,951,312.31
  5. Step 5: Solve for x
    x = 3,001,951,312.31/61,106.62
  6. Step 6: Final answer
    x = 49,126.45

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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.