Home / 55,603.46-83,370.15-47,172.91

Finding the Fourth Proportional to 55,603.46, 83,370.15 and 47,172.91

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Solution

The fourth proportional to 55,603.46, 83,370.15 and 47,172.91 is: 70,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.46 : 83,370.15 = 47,172.91 : x
  2. Step 2: Convert to fraction form
    55,603.46/83,370.15 = 47,172.91/x
  3. Step 3: Cross multiply
    55,603.46x = 83,370.15 × 47,172.91
  4. Step 4: Simplify right side
    55,603.46x = 3,932,812,582.64
  5. Step 5: Solve for x
    x = 3,932,812,582.64/55,603.46
  6. Step 6: Final answer
    x = 70,729.64

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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.