Home / 107,556.74-148,459.58-71,746.66

Finding the Fourth Proportional to 107,556.74, 148,459.58 and 71,746.66

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Solution

The fourth proportional to 107,556.74, 148,459.58 and 71,746.66 is: 99,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,556.74 : 148,459.58 = 71,746.66 : x
  2. Step 2: Convert to fraction form
    107,556.74/148,459.58 = 71,746.66/x
  3. Step 3: Cross multiply
    107,556.74x = 148,459.58 × 71,746.66
  4. Step 4: Simplify right side
    107,556.74x = 10,651,479,509.47
  5. Step 5: Solve for x
    x = 10,651,479,509.47/107,556.74
  6. Step 6: Final answer
    x = 99,031.26

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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.