Home / 109,111.02-163,661.27-38,030.79

Finding the Fourth Proportional to 109,111.02, 163,661.27 and 38,030.79

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Solution

The fourth proportional to 109,111.02, 163,661.27 and 38,030.79 is: 57,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.02 : 163,661.27 = 38,030.79 : x
  2. Step 2: Convert to fraction form
    109,111.02/163,661.27 = 38,030.79/x
  3. Step 3: Cross multiply
    109,111.02x = 163,661.27 × 38,030.79
  4. Step 4: Simplify right side
    109,111.02x = 6,224,167,390.50
  5. Step 5: Solve for x
    x = 6,224,167,390.50/109,111.02
  6. Step 6: Final answer
    x = 57,044.35

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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.