Home / 90,011.80-135,050.46-52,604.38

Finding the Fourth Proportional to 90,011.80, 135,050.46 and 52,604.38

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Solution

The fourth proportional to 90,011.80, 135,050.46 and 52,604.38 is: 78,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,011.80 : 135,050.46 = 52,604.38 : x
  2. Step 2: Convert to fraction form
    90,011.80/135,050.46 = 52,604.38/x
  3. Step 3: Cross multiply
    90,011.80x = 135,050.46 × 52,604.38
  4. Step 4: Simplify right side
    90,011.80x = 7,104,245,717.01
  5. Step 5: Solve for x
    x = 7,104,245,717.01/90,011.80
  6. Step 6: Final answer
    x = 78,925.72

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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.