Home / 124,440.29-171,727.77-67,851.67

Finding the Fourth Proportional to 124,440.29, 171,727.77 and 67,851.67

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Solution

The fourth proportional to 124,440.29, 171,727.77 and 67,851.67 is: 93,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440.29 : 171,727.77 = 67,851.67 : x
  2. Step 2: Convert to fraction form
    124,440.29/171,727.77 = 67,851.67/x
  3. Step 3: Cross multiply
    124,440.29x = 171,727.77 × 67,851.67
  4. Step 4: Simplify right side
    124,440.29x = 11,652,016,126.99
  5. Step 5: Solve for x
    x = 11,652,016,126.99/124,440.29
  6. Step 6: Final answer
    x = 93,635.40

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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.