Home / 70,570.50-97,388.43-38,305.76

Finding the Fourth Proportional to 70,570.50, 97,388.43 and 38,305.76

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Solution

The fourth proportional to 70,570.50, 97,388.43 and 38,305.76 is: 52,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,570.50 : 97,388.43 = 38,305.76 : x
  2. Step 2: Convert to fraction form
    70,570.50/97,388.43 = 38,305.76/x
  3. Step 3: Cross multiply
    70,570.50x = 97,388.43 × 38,305.76
  4. Step 4: Simplify right side
    70,570.50x = 3,730,537,848.27
  5. Step 5: Solve for x
    x = 3,730,537,848.27/70,570.50
  6. Step 6: Final answer
    x = 52,862.57

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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.