Home / 63,124.48-87,143.36-39,258.85

Finding the Fourth Proportional to 63,124.48, 87,143.36 and 39,258.85

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Solution

The fourth proportional to 63,124.48, 87,143.36 and 39,258.85 is: 54,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.48 : 87,143.36 = 39,258.85 : x
  2. Step 2: Convert to fraction form
    63,124.48/87,143.36 = 39,258.85/x
  3. Step 3: Cross multiply
    63,124.48x = 87,143.36 × 39,258.85
  4. Step 4: Simplify right side
    63,124.48x = 3,421,148,098.74
  5. Step 5: Solve for x
    x = 3,421,148,098.74/63,124.48
  6. Step 6: Final answer
    x = 54,196.85

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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.