Home / 64,981.24-89,674.86-38,124.22

Finding the Fourth Proportional to 64,981.24, 89,674.86 and 38,124.22

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Solution

The fourth proportional to 64,981.24, 89,674.86 and 38,124.22 is: 52,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,981.24 : 89,674.86 = 38,124.22 : x
  2. Step 2: Convert to fraction form
    64,981.24/89,674.86 = 38,124.22/x
  3. Step 3: Cross multiply
    64,981.24x = 89,674.86 × 38,124.22
  4. Step 4: Simplify right side
    64,981.24x = 3,418,784,091.11
  5. Step 5: Solve for x
    x = 3,418,784,091.11/64,981.24
  6. Step 6: Final answer
    x = 52,611.86

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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.