Home / 70,113.12-105,200.40-36,825.48

Finding the Fourth Proportional to 70,113.12, 105,200.40 and 36,825.48

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Solution

The fourth proportional to 70,113.12, 105,200.40 and 36,825.48 is: 55,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,113.12 : 105,200.40 = 36,825.48 : x
  2. Step 2: Convert to fraction form
    70,113.12/105,200.40 = 36,825.48/x
  3. Step 3: Cross multiply
    70,113.12x = 105,200.40 × 36,825.48
  4. Step 4: Simplify right side
    70,113.12x = 3,874,055,226.19
  5. Step 5: Solve for x
    x = 3,874,055,226.19/70,113.12
  6. Step 6: Final answer
    x = 55,254.36

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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.