Home / 63,124.36-87,143.19-39,258.73

Finding the Fourth Proportional to 63,124.36, 87,143.19 and 39,258.73

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Solution

The fourth proportional to 63,124.36, 87,143.19 and 39,258.73 is: 54,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.36 : 87,143.19 = 39,258.73 : x
  2. Step 2: Convert to fraction form
    63,124.36/87,143.19 = 39,258.73/x
  3. Step 3: Cross multiply
    63,124.36x = 87,143.19 × 39,258.73
  4. Step 4: Simplify right side
    63,124.36x = 3,421,130,967.55
  5. Step 5: Solve for x
    x = 3,421,130,967.55/63,124.36
  6. Step 6: Final answer
    x = 54,196.68

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1.5x scale

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.