Home / 70,449.36-105,688.96-26,076.48

Finding the Fourth Proportional to 70,449.36, 105,688.96 and 26,076.48

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Solution

The fourth proportional to 70,449.36, 105,688.96 and 26,076.48 is: 39,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449.36 : 105,688.96 = 26,076.48 : x
  2. Step 2: Convert to fraction form
    70,449.36/105,688.96 = 26,076.48/x
  3. Step 3: Cross multiply
    70,449.36x = 105,688.96 × 26,076.48
  4. Step 4: Simplify right side
    70,449.36x = 2,755,996,051.66
  5. Step 5: Solve for x
    x = 2,755,996,051.66/70,449.36
  6. Step 6: Final answer
    x = 39,120.24

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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.