Home / 69,905.60-96,470.88-38,075.12

Finding the Fourth Proportional to 69,905.60, 96,470.88 and 38,075.12

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Solution

The fourth proportional to 69,905.60, 96,470.88 and 38,075.12 is: 52,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905.60 : 96,470.88 = 38,075.12 : x
  2. Step 2: Convert to fraction form
    69,905.60/96,470.88 = 38,075.12/x
  3. Step 3: Cross multiply
    69,905.60x = 96,470.88 × 38,075.12
  4. Step 4: Simplify right side
    69,905.60x = 3,673,140,332.51
  5. Step 5: Solve for x
    x = 3,673,140,332.51/69,905.60
  6. Step 6: Final answer
    x = 52,544.29

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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.