Home / 70,863.18-97,878.96-51,451.13

Finding the Fourth Proportional to 70,863.18, 97,878.96 and 51,451.13

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Solution

The fourth proportional to 70,863.18, 97,878.96 and 51,451.13 is: 71,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,863.18 : 97,878.96 = 51,451.13 : x
  2. Step 2: Convert to fraction form
    70,863.18/97,878.96 = 51,451.13/x
  3. Step 3: Cross multiply
    70,863.18x = 97,878.96 × 51,451.13
  4. Step 4: Simplify right side
    70,863.18x = 5,035,982,605.83
  5. Step 5: Solve for x
    x = 5,035,982,605.83/70,863.18
  6. Step 6: Final answer
    x = 71,066.28

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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.