Home / 124,225.62-171,431.55-67,637.22

Finding the Fourth Proportional to 124,225.62, 171,431.55 and 67,637.22

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Solution

The fourth proportional to 124,225.62, 171,431.55 and 67,637.22 is: 93,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,225.62 : 171,431.55 = 67,637.22 : x
  2. Step 2: Convert to fraction form
    124,225.62/171,431.55 = 67,637.22/x
  3. Step 3: Cross multiply
    124,225.62x = 171,431.55 × 67,637.22
  4. Step 4: Simplify right side
    124,225.62x = 11,595,153,462.29
  5. Step 5: Solve for x
    x = 11,595,153,462.29/124,225.62
  6. Step 6: Final answer
    x = 93,339.47

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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.