Home / 97,250.85-134,154.75-66,984.12

Finding the Fourth Proportional to 97,250.85, 134,154.75 and 66,984.12

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Solution

The fourth proportional to 97,250.85, 134,154.75 and 66,984.12 is: 92,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,250.85 : 134,154.75 = 66,984.12 : x
  2. Step 2: Convert to fraction form
    97,250.85/134,154.75 = 66,984.12/x
  3. Step 3: Cross multiply
    97,250.85x = 134,154.75 × 66,984.12
  4. Step 4: Simplify right side
    97,250.85x = 8,986,237,872.57
  5. Step 5: Solve for x
    x = 8,986,237,872.57/97,250.85
  6. Step 6: Final answer
    x = 92,402.67

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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.