Home / 48,109.89-66,390.42-26,889.30

Finding the Fourth Proportional to 48,109.89, 66,390.42 and 26,889.30

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Solution

The fourth proportional to 48,109.89, 66,390.42 and 26,889.30 is: 37,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,109.89 : 66,390.42 = 26,889.30 : x
  2. Step 2: Convert to fraction form
    48,109.89/66,390.42 = 26,889.30/x
  3. Step 3: Cross multiply
    48,109.89x = 66,390.42 × 26,889.30
  4. Step 4: Simplify right side
    48,109.89x = 1,785,191,920.51
  5. Step 5: Solve for x
    x = 1,785,191,920.51/48,109.89
  6. Step 6: Final answer
    x = 37,106.55

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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.