Home / 64,073.08-88,420.92-35,778.76

Finding the Fourth Proportional to 64,073.08, 88,420.92 and 35,778.76

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Solution

The fourth proportional to 64,073.08, 88,420.92 and 35,778.76 is: 49,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.08 : 88,420.92 = 35,778.76 : x
  2. Step 2: Convert to fraction form
    64,073.08/88,420.92 = 35,778.76/x
  3. Step 3: Cross multiply
    64,073.08x = 88,420.92 × 35,778.76
  4. Step 4: Simplify right side
    64,073.08x = 3,163,590,875.66
  5. Step 5: Solve for x
    x = 3,163,590,875.66/64,073.08
  6. Step 6: Final answer
    x = 49,374.73

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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.