Home / 75,420.24-104,077.08-41,888.40

Finding the Fourth Proportional to 75,420.24, 104,077.08 and 41,888.40

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Solution

The fourth proportional to 75,420.24, 104,077.08 and 41,888.40 is: 57,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,420.24 : 104,077.08 = 41,888.40 : x
  2. Step 2: Convert to fraction form
    75,420.24/104,077.08 = 41,888.40/x
  3. Step 3: Cross multiply
    75,420.24x = 104,077.08 × 41,888.40
  4. Step 4: Simplify right side
    75,420.24x = 4,359,622,357.87
  5. Step 5: Solve for x
    x = 4,359,622,357.87/75,420.24
  6. Step 6: Final answer
    x = 57,804.41

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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.