Home / 61,812.45-85,302.72-34,953.66

Finding the Fourth Proportional to 61,812.45, 85,302.72 and 34,953.66

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Solution

The fourth proportional to 61,812.45, 85,302.72 and 34,953.66 is: 48,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.45 : 85,302.72 = 34,953.66 : x
  2. Step 2: Convert to fraction form
    61,812.45/85,302.72 = 34,953.66/x
  3. Step 3: Cross multiply
    61,812.45x = 85,302.72 × 34,953.66
  4. Step 4: Simplify right side
    61,812.45x = 2,981,642,271.96
  5. Step 5: Solve for x
    x = 2,981,642,271.96/61,812.45
  6. Step 6: Final answer
    x = 48,236.92

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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.