Home / 74,022.78-111,085.14-64,152.12

Finding the Fourth Proportional to 74,022.78, 111,085.14 and 64,152.12

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Solution

The fourth proportional to 74,022.78, 111,085.14 and 64,152.12 is: 96,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.78 : 111,085.14 = 64,152.12 : x
  2. Step 2: Convert to fraction form
    74,022.78/111,085.14 = 64,152.12/x
  3. Step 3: Cross multiply
    74,022.78x = 111,085.14 × 64,152.12
  4. Step 4: Simplify right side
    74,022.78x = 7,126,347,231.50
  5. Step 5: Solve for x
    x = 7,126,347,231.50/74,022.78
  6. Step 6: Final answer
    x = 96,272.35

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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.