Home / 113,710.76-156,921-62,722.34

Finding the Fourth Proportional to 113,710.76, 156,921 and 62,722.34

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Solution

The fourth proportional to 113,710.76, 156,921 and 62,722.34 is: 86,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,710.76 : 156,921 = 62,722.34 : x
  2. Step 2: Convert to fraction form
    113,710.76/156,921 = 62,722.34/x
  3. Step 3: Cross multiply
    113,710.76x = 156,921 × 62,722.34
  4. Step 4: Simplify right side
    113,710.76x = 9,842,452,315.14
  5. Step 5: Solve for x
    x = 9,842,452,315.14/113,710.76
  6. Step 6: Final answer
    x = 86,556.91

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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.