Home / 71,060.48-97,899.52-67,742.72

Finding the Fourth Proportional to 71,060.48, 97,899.52 and 67,742.72

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Solution

The fourth proportional to 71,060.48, 97,899.52 and 67,742.72 is: 93,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,060.48 : 97,899.52 = 67,742.72 : x
  2. Step 2: Convert to fraction form
    71,060.48/97,899.52 = 67,742.72/x
  3. Step 3: Cross multiply
    71,060.48x = 97,899.52 × 67,742.72
  4. Step 4: Simplify right side
    71,060.48x = 6,631,979,771.49
  5. Step 5: Solve for x
    x = 6,631,979,771.49/71,060.48
  6. Step 6: Final answer
    x = 93,328.67

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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.