Home / 70,645.12-105,977.52-23,885.44

Finding the Fourth Proportional to 70,645.12, 105,977.52 and 23,885.44

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Solution

The fourth proportional to 70,645.12, 105,977.52 and 23,885.44 is: 35,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645.12 : 105,977.52 = 23,885.44 : x
  2. Step 2: Convert to fraction form
    70,645.12/105,977.52 = 23,885.44/x
  3. Step 3: Cross multiply
    70,645.12x = 105,977.52 × 23,885.44
  4. Step 4: Simplify right side
    70,645.12x = 2,531,319,695.31
  5. Step 5: Solve for x
    x = 2,531,319,695.31/70,645.12
  6. Step 6: Final answer
    x = 35,831.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.