Home / 90,351.18-124,682.75-50,064.58

Finding the Fourth Proportional to 90,351.18, 124,682.75 and 50,064.58

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Solution

The fourth proportional to 90,351.18, 124,682.75 and 50,064.58 is: 69,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.18 : 124,682.75 = 50,064.58 : x
  2. Step 2: Convert to fraction form
    90,351.18/124,682.75 = 50,064.58/x
  3. Step 3: Cross multiply
    90,351.18x = 124,682.75 × 50,064.58
  4. Step 4: Simplify right side
    90,351.18x = 6,242,189,512.00
  5. Step 5: Solve for x
    x = 6,242,189,512.00/90,351.18
  6. Step 6: Final answer
    x = 69,088.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.