Home / 90,624.66-135,937.08-34,451.58

Finding the Fourth Proportional to 90,624.66, 135,937.08 and 34,451.58

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Solution

The fourth proportional to 90,624.66, 135,937.08 and 34,451.58 is: 51,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,624.66 : 135,937.08 = 34,451.58 : x
  2. Step 2: Convert to fraction form
    90,624.66/135,937.08 = 34,451.58/x
  3. Step 3: Cross multiply
    90,624.66x = 135,937.08 × 34,451.58
  4. Step 4: Simplify right side
    90,624.66x = 4,683,247,186.59
  5. Step 5: Solve for x
    x = 4,683,247,186.59/90,624.66
  6. Step 6: Final answer
    x = 51,677.40

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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.