Home / 124,086.36-171,239.58-67,497.72

Finding the Fourth Proportional to 124,086.36, 171,239.58 and 67,497.72

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Solution

The fourth proportional to 124,086.36, 171,239.58 and 67,497.72 is: 93,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,086.36 : 171,239.58 = 67,497.72 : x
  2. Step 2: Convert to fraction form
    124,086.36/171,239.58 = 67,497.72/x
  3. Step 3: Cross multiply
    124,086.36x = 171,239.58 × 67,497.72
  4. Step 4: Simplify right side
    124,086.36x = 11,558,281,223.76
  5. Step 5: Solve for x
    x = 11,558,281,223.76/124,086.36
  6. Step 6: Final answer
    x = 93,147.07

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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.