Home / 90,979.44-125,551.88-52,746.40

Finding the Fourth Proportional to 90,979.44, 125,551.88 and 52,746.40

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Solution

The fourth proportional to 90,979.44, 125,551.88 and 52,746.40 is: 72,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,979.44 : 125,551.88 = 52,746.40 : x
  2. Step 2: Convert to fraction form
    90,979.44/125,551.88 = 52,746.40/x
  3. Step 3: Cross multiply
    90,979.44x = 125,551.88 × 52,746.40
  4. Step 4: Simplify right side
    90,979.44x = 6,622,409,683.23
  5. Step 5: Solve for x
    x = 6,622,409,683.23/90,979.44
  6. Step 6: Final answer
    x = 72,790.18

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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.