Home / 61,630.07-85,053.51-34,762.78

Finding the Fourth Proportional to 61,630.07, 85,053.51 and 34,762.78

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Solution

The fourth proportional to 61,630.07, 85,053.51 and 34,762.78 is: 47,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,630.07 : 85,053.51 = 34,762.78 : x
  2. Step 2: Convert to fraction form
    61,630.07/85,053.51 = 34,762.78/x
  3. Step 3: Cross multiply
    61,630.07x = 85,053.51 × 34,762.78
  4. Step 4: Simplify right side
    61,630.07x = 2,956,696,084.25
  5. Step 5: Solve for x
    x = 2,956,696,084.25/61,630.07
  6. Step 6: Final answer
    x = 47,974.89

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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.