Home / 66,522.99-99,731.52-38,411.19

Finding the Fourth Proportional to 66,522.99, 99,731.52 and 38,411.19

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Solution

The fourth proportional to 66,522.99, 99,731.52 and 38,411.19 is: 57,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.99 : 99,731.52 = 38,411.19 : x
  2. Step 2: Convert to fraction form
    66,522.99/99,731.52 = 38,411.19/x
  3. Step 3: Cross multiply
    66,522.99x = 99,731.52 × 38,411.19
  4. Step 4: Simplify right side
    66,522.99x = 3,830,806,363.71
  5. Step 5: Solve for x
    x = 3,830,806,363.71/66,522.99
  6. Step 6: Final answer
    x = 57,586.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.