Home / 61,639.08-85,055.70-35,788.68

Finding the Fourth Proportional to 61,639.08, 85,055.70 and 35,788.68

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Solution

The fourth proportional to 61,639.08, 85,055.70 and 35,788.68 is: 49,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.08 : 85,055.70 = 35,788.68 : x
  2. Step 2: Convert to fraction form
    61,639.08/85,055.70 = 35,788.68/x
  3. Step 3: Cross multiply
    61,639.08x = 85,055.70 × 35,788.68
  4. Step 4: Simplify right side
    61,639.08x = 3,044,031,229.48
  5. Step 5: Solve for x
    x = 3,044,031,229.48/61,639.08
  6. Step 6: Final answer
    x = 49,384.76

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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.