Home / 124,500.42-171,811.12-67,913.01

Finding the Fourth Proportional to 124,500.42, 171,811.12 and 67,913.01

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Solution

The fourth proportional to 124,500.42, 171,811.12 and 67,913.01 is: 93,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,500.42 : 171,811.12 = 67,913.01 : x
  2. Step 2: Convert to fraction form
    124,500.42/171,811.12 = 67,913.01/x
  3. Step 3: Cross multiply
    124,500.42x = 171,811.12 × 67,913.01
  4. Step 4: Simplify right side
    124,500.42x = 11,668,210,310.67
  5. Step 5: Solve for x
    x = 11,668,210,310.67/124,500.42
  6. Step 6: Final answer
    x = 93,720.25

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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.