Home / 74,187.60-111,103.59-38,069.00

Finding the Fourth Proportional to 74,187.60, 111,103.59 and 38,069.00

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Solution

The fourth proportional to 74,187.60, 111,103.59 and 38,069.00 is: 57,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187.60 : 111,103.59 = 38,069.00 : x
  2. Step 2: Convert to fraction form
    74,187.60/111,103.59 = 38,069.00/x
  3. Step 3: Cross multiply
    74,187.60x = 111,103.59 × 38,069.00
  4. Step 4: Simplify right side
    74,187.60x = 4,229,602,012.19
  5. Step 5: Solve for x
    x = 4,229,602,012.19/74,187.60
  6. Step 6: Final answer
    x = 57,012.25

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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.