Home / 107,050.48-147,754.24-71,242

Finding the Fourth Proportional to 107,050.48, 147,754.24 and 71,242

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Solution

The fourth proportional to 107,050.48, 147,754.24 and 71,242 is: 98,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,050.48 : 147,754.24 = 71,242 : x
  2. Step 2: Convert to fraction form
    107,050.48/147,754.24 = 71,242/x
  3. Step 3: Cross multiply
    107,050.48x = 147,754.24 × 71,242
  4. Step 4: Simplify right side
    107,050.48x = 10,526,307,566.08
  5. Step 5: Solve for x
    x = 10,526,307,566.08/107,050.48
  6. Step 6: Final answer
    x = 98,330.32

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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.