Home / 90,043.83-124,258.74-49,756.73

Finding the Fourth Proportional to 90,043.83, 124,258.74 and 49,756.73

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Solution

The fourth proportional to 90,043.83, 124,258.74 and 49,756.73 is: 68,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,043.83 : 124,258.74 = 49,756.73 : x
  2. Step 2: Convert to fraction form
    90,043.83/124,258.74 = 49,756.73/x
  3. Step 3: Cross multiply
    90,043.83x = 124,258.74 × 49,756.73
  4. Step 4: Simplify right side
    90,043.83x = 6,182,707,955.03
  5. Step 5: Solve for x
    x = 6,182,707,955.03/90,043.83
  6. Step 6: Final answer
    x = 68,663.32

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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.