Home / 71,357.24-98,475.42-43,057.40

Finding the Fourth Proportional to 71,357.24, 98,475.42 and 43,057.40

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Solution

The fourth proportional to 71,357.24, 98,475.42 and 43,057.40 is: 59,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357.24 : 98,475.42 = 43,057.40 : x
  2. Step 2: Convert to fraction form
    71,357.24/98,475.42 = 43,057.40/x
  3. Step 3: Cross multiply
    71,357.24x = 98,475.42 × 43,057.40
  4. Step 4: Simplify right side
    71,357.24x = 4,240,095,549.11
  5. Step 5: Solve for x
    x = 4,240,095,549.11/71,357.24
  6. Step 6: Final answer
    x = 59,420.68

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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.