Home / 112,331.09-168,449.79-45,726.01

Finding the Fourth Proportional to 112,331.09, 168,449.79 and 45,726.01

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Solution

The fourth proportional to 112,331.09, 168,449.79 and 45,726.01 is: 68,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331.09 : 168,449.79 = 45,726.01 : x
  2. Step 2: Convert to fraction form
    112,331.09/168,449.79 = 45,726.01/x
  3. Step 3: Cross multiply
    112,331.09x = 168,449.79 × 45,726.01
  4. Step 4: Simplify right side
    112,331.09x = 7,702,536,532.39
  5. Step 5: Solve for x
    x = 7,702,536,532.39/112,331.09
  6. Step 6: Final answer
    x = 68,569.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.