Home / 70,581.07-97,401.45-38,316.34

Finding the Fourth Proportional to 70,581.07, 97,401.45 and 38,316.34

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Solution

The fourth proportional to 70,581.07, 97,401.45 and 38,316.34 is: 52,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,581.07 : 97,401.45 = 38,316.34 : x
  2. Step 2: Convert to fraction form
    70,581.07/97,401.45 = 38,316.34/x
  3. Step 3: Cross multiply
    70,581.07x = 97,401.45 × 38,316.34
  4. Step 4: Simplify right side
    70,581.07x = 3,732,067,074.69
  5. Step 5: Solve for x
    x = 3,732,067,074.69/70,581.07
  6. Step 6: Final answer
    x = 52,876.32

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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.