Home / 64,821.17-89,475.35-37,972.23

Finding the Fourth Proportional to 64,821.17, 89,475.35 and 37,972.23

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Solution

The fourth proportional to 64,821.17, 89,475.35 and 37,972.23 is: 52,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821.17 : 89,475.35 = 37,972.23 : x
  2. Step 2: Convert to fraction form
    64,821.17/89,475.35 = 37,972.23/x
  3. Step 3: Cross multiply
    64,821.17x = 89,475.35 × 37,972.23
  4. Step 4: Simplify right side
    64,821.17x = 3,397,578,379.67
  5. Step 5: Solve for x
    x = 3,397,578,379.67/64,821.17
  6. Step 6: Final answer
    x = 52,414.65

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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.