Home / 90,827.64-125,323.20-55,020.24

Finding the Fourth Proportional to 90,827.64, 125,323.20 and 55,020.24

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Solution

The fourth proportional to 90,827.64, 125,323.20 and 55,020.24 is: 75,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.64 : 125,323.20 = 55,020.24 : x
  2. Step 2: Convert to fraction form
    90,827.64/125,323.20 = 55,020.24/x
  3. Step 3: Cross multiply
    90,827.64x = 125,323.20 × 55,020.24
  4. Step 4: Simplify right side
    90,827.64x = 6,895,312,541.57
  5. Step 5: Solve for x
    x = 6,895,312,541.57/90,827.64
  6. Step 6: Final answer
    x = 75,916.46

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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.