Home / 90,733.53-136,011.60-40,826.19

Finding the Fourth Proportional to 90,733.53, 136,011.60 and 40,826.19

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Solution

The fourth proportional to 90,733.53, 136,011.60 and 40,826.19 is: 61,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.53 : 136,011.60 = 40,826.19 : x
  2. Step 2: Convert to fraction form
    90,733.53/136,011.60 = 40,826.19/x
  3. Step 3: Cross multiply
    90,733.53x = 136,011.60 × 40,826.19
  4. Step 4: Simplify right side
    90,733.53x = 5,552,835,423.80
  5. Step 5: Solve for x
    x = 5,552,835,423.80/90,733.53
  6. Step 6: Final answer
    x = 61,199.38

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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.