Home / 70,581.16-97,396.20-38,748.96

Finding the Fourth Proportional to 70,581.16, 97,396.20 and 38,748.96

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Solution

The fourth proportional to 70,581.16, 97,396.20 and 38,748.96 is: 53,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,581.16 : 97,396.20 = 38,748.96 : x
  2. Step 2: Convert to fraction form
    70,581.16/97,396.20 = 38,748.96/x
  3. Step 3: Cross multiply
    70,581.16x = 97,396.20 × 38,748.96
  4. Step 4: Simplify right side
    70,581.16x = 3,774,001,457.95
  5. Step 5: Solve for x
    x = 3,774,001,457.95/70,581.16
  6. Step 6: Final answer
    x = 53,470.38

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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.