Home / 96,867.24-133,622.76-90,017.28

Finding the Fourth Proportional to 96,867.24, 133,622.76 and 90,017.28

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Solution

The fourth proportional to 96,867.24, 133,622.76 and 90,017.28 is: 124,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,867.24 : 133,622.76 = 90,017.28 : x
  2. Step 2: Convert to fraction form
    96,867.24/133,622.76 = 90,017.28/x
  3. Step 3: Cross multiply
    96,867.24x = 133,622.76 × 90,017.28
  4. Step 4: Simplify right side
    96,867.24x = 12,028,357,401.29
  5. Step 5: Solve for x
    x = 12,028,357,401.29/96,867.24
  6. Step 6: Final answer
    x = 124,173.64

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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.