Home / 69,722.16-96,216.48-37,890.98

Finding the Fourth Proportional to 69,722.16, 96,216.48 and 37,890.98

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Solution

The fourth proportional to 69,722.16, 96,216.48 and 37,890.98 is: 52,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.16 : 96,216.48 = 37,890.98 : x
  2. Step 2: Convert to fraction form
    69,722.16/96,216.48 = 37,890.98/x
  3. Step 3: Cross multiply
    69,722.16x = 96,216.48 × 37,890.98
  4. Step 4: Simplify right side
    69,722.16x = 3,645,736,719.35
  5. Step 5: Solve for x
    x = 3,645,736,719.35/69,722.16
  6. Step 6: Final answer
    x = 52,289.50

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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.