Home / 109,111.09-163,661.36-38,030.85

Finding the Fourth Proportional to 109,111.09, 163,661.36 and 38,030.85

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Solution

The fourth proportional to 109,111.09, 163,661.36 and 38,030.85 is: 57,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.09 : 163,661.36 = 38,030.85 : x
  2. Step 2: Convert to fraction form
    109,111.09/163,661.36 = 38,030.85/x
  3. Step 3: Cross multiply
    109,111.09x = 163,661.36 × 38,030.85
  4. Step 4: Simplify right side
    109,111.09x = 6,224,180,632.96
  5. Step 5: Solve for x
    x = 6,224,180,632.96/109,111.09
  6. Step 6: Final answer
    x = 57,044.44

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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.