Home / 111,401.77-153,732.33-63,002.85

Finding the Fourth Proportional to 111,401.77, 153,732.33 and 63,002.85

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Solution

The fourth proportional to 111,401.77, 153,732.33 and 63,002.85 is: 86,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,401.77 : 153,732.33 = 63,002.85 : x
  2. Step 2: Convert to fraction form
    111,401.77/153,732.33 = 63,002.85/x
  3. Step 3: Cross multiply
    111,401.77x = 153,732.33 × 63,002.85
  4. Step 4: Simplify right side
    111,401.77x = 9,685,574,927.14
  5. Step 5: Solve for x
    x = 9,685,574,927.14/111,401.77
  6. Step 6: Final answer
    x = 86,942.74

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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.