Home / 64,606.20-89,158.49-39,117.23

Finding the Fourth Proportional to 64,606.20, 89,158.49 and 39,117.23

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Solution

The fourth proportional to 64,606.20, 89,158.49 and 39,117.23 is: 53,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.20 : 89,158.49 = 39,117.23 : x
  2. Step 2: Convert to fraction form
    64,606.20/89,158.49 = 39,117.23/x
  3. Step 3: Cross multiply
    64,606.20x = 89,158.49 × 39,117.23
  4. Step 4: Simplify right side
    64,606.20x = 3,487,632,518.40
  5. Step 5: Solve for x
    x = 3,487,632,518.40/64,606.20
  6. Step 6: Final answer
    x = 53,982.94

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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.