Home / 91,624.34-126,518.64-68,923.98

Finding the Fourth Proportional to 91,624.34, 126,518.64 and 68,923.98

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Solution

The fourth proportional to 91,624.34, 126,518.64 and 68,923.98 is: 95,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624.34 : 126,518.64 = 68,923.98 : x
  2. Step 2: Convert to fraction form
    91,624.34/126,518.64 = 68,923.98/x
  3. Step 3: Cross multiply
    91,624.34x = 126,518.64 × 68,923.98
  4. Step 4: Simplify right side
    91,624.34x = 8,720,168,212.99
  5. Step 5: Solve for x
    x = 8,720,168,212.99/91,624.34
  6. Step 6: Final answer
    x = 95,173.05

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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.