Home / 124,099.24-171,255.18-67,509.40

Finding the Fourth Proportional to 124,099.24, 171,255.18 and 67,509.40

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Solution

The fourth proportional to 124,099.24, 171,255.18 and 67,509.40 is: 93,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,099.24 : 171,255.18 = 67,509.40 : x
  2. Step 2: Convert to fraction form
    124,099.24/171,255.18 = 67,509.40/x
  3. Step 3: Cross multiply
    124,099.24x = 171,255.18 × 67,509.40
  4. Step 4: Simplify right side
    124,099.24x = 11,561,334,448.69
  5. Step 5: Solve for x
    x = 11,561,334,448.69/124,099.24
  6. Step 6: Final answer
    x = 93,162.01

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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.