Home / 70,164.32-105,248.64-30,701.12

Finding the Fourth Proportional to 70,164.32, 105,248.64 and 30,701.12

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Solution

The fourth proportional to 70,164.32, 105,248.64 and 30,701.12 is: 46,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,164.32 : 105,248.64 = 30,701.12 : x
  2. Step 2: Convert to fraction form
    70,164.32/105,248.64 = 30,701.12/x
  3. Step 3: Cross multiply
    70,164.32x = 105,248.64 × 30,701.12
  4. Step 4: Simplify right side
    70,164.32x = 3,231,251,126.48
  5. Step 5: Solve for x
    x = 3,231,251,126.48/70,164.32
  6. Step 6: Final answer
    x = 46,052.63

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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.