Home / 124,121.49-171,282.53-67,533.09

Finding the Fourth Proportional to 124,121.49, 171,282.53 and 67,533.09

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Solution

The fourth proportional to 124,121.49, 171,282.53 and 67,533.09 is: 93,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.49 : 171,282.53 = 67,533.09 : x
  2. Step 2: Convert to fraction form
    124,121.49/171,282.53 = 67,533.09/x
  3. Step 3: Cross multiply
    124,121.49x = 171,282.53 × 67,533.09
  4. Step 4: Simplify right side
    124,121.49x = 11,567,237,657.51
  5. Step 5: Solve for x
    x = 11,567,237,657.51/124,121.49
  6. Step 6: Final answer
    x = 93,192.87

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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.