Home / 61,678.68-85,116.27-34,820.94

Finding the Fourth Proportional to 61,678.68, 85,116.27 and 34,820.94

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Solution

The fourth proportional to 61,678.68, 85,116.27 and 34,820.94 is: 48,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,678.68 : 85,116.27 = 34,820.94 : x
  2. Step 2: Convert to fraction form
    61,678.68/85,116.27 = 34,820.94/x
  3. Step 3: Cross multiply
    61,678.68x = 85,116.27 × 34,820.94
  4. Step 4: Simplify right side
    61,678.68x = 2,963,828,530.69
  5. Step 5: Solve for x
    x = 2,963,828,530.69/61,678.68
  6. Step 6: Final answer
    x = 48,052.72

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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.