Home / 99,588.09-149,480.56-52,840.97

Finding the Fourth Proportional to 99,588.09, 149,480.56 and 52,840.97

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Solution

The fourth proportional to 99,588.09, 149,480.56 and 52,840.97 is: 79,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.09 : 149,480.56 = 52,840.97 : x
  2. Step 2: Convert to fraction form
    99,588.09/149,480.56 = 52,840.97/x
  3. Step 3: Cross multiply
    99,588.09x = 149,480.56 × 52,840.97
  4. Step 4: Simplify right side
    99,588.09x = 7,898,697,665.74
  5. Step 5: Solve for x
    x = 7,898,697,665.74/99,588.09
  6. Step 6: Final answer
    x = 79,313.67

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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.