Home / 124,221.36-171,426.12-67,632.72

Finding the Fourth Proportional to 124,221.36, 171,426.12 and 67,632.72

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Solution

The fourth proportional to 124,221.36, 171,426.12 and 67,632.72 is: 93,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.36 : 171,426.12 = 67,632.72 : x
  2. Step 2: Convert to fraction form
    124,221.36/171,426.12 = 67,632.72/x
  3. Step 3: Cross multiply
    124,221.36x = 171,426.12 × 67,632.72
  4. Step 4: Simplify right side
    124,221.36x = 11,594,014,774.65
  5. Step 5: Solve for x
    x = 11,594,014,774.65/124,221.36
  6. Step 6: Final answer
    x = 93,333.50

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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.