Home / 75,412.08-104,069.88-41,880.24

Finding the Fourth Proportional to 75,412.08, 104,069.88 and 41,880.24

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Solution

The fourth proportional to 75,412.08, 104,069.88 and 41,880.24 is: 57,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.08 : 104,069.88 = 41,880.24 : x
  2. Step 2: Convert to fraction form
    75,412.08/104,069.88 = 41,880.24/x
  3. Step 3: Cross multiply
    75,412.08x = 104,069.88 × 41,880.24
  4. Step 4: Simplify right side
    75,412.08x = 4,358,471,551.17
  5. Step 5: Solve for x
    x = 4,358,471,551.17/75,412.08
  6. Step 6: Final answer
    x = 57,795.40

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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.