Home / 107,455.40-161,127.74-48,240.32

Finding the Fourth Proportional to 107,455.40, 161,127.74 and 48,240.32

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Solution

The fourth proportional to 107,455.40, 161,127.74 and 48,240.32 is: 72,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.40 : 161,127.74 = 48,240.32 : x
  2. Step 2: Convert to fraction form
    107,455.40/161,127.74 = 48,240.32/x
  3. Step 3: Cross multiply
    107,455.40x = 161,127.74 × 48,240.32
  4. Step 4: Simplify right side
    107,455.40x = 7,772,853,738.48
  5. Step 5: Solve for x
    x = 7,772,853,738.48/107,455.40
  6. Step 6: Final answer
    x = 72,335.63

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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.