Home / 70,286.13-96,994.80-38,455.16

Finding the Fourth Proportional to 70,286.13, 96,994.80 and 38,455.16

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Solution

The fourth proportional to 70,286.13, 96,994.80 and 38,455.16 is: 53,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,286.13 : 96,994.80 = 38,455.16 : x
  2. Step 2: Convert to fraction form
    70,286.13/96,994.80 = 38,455.16/x
  3. Step 3: Cross multiply
    70,286.13x = 96,994.80 × 38,455.16
  4. Step 4: Simplify right side
    70,286.13x = 3,729,950,068.19
  5. Step 5: Solve for x
    x = 3,729,950,068.19/70,286.13
  6. Step 6: Final answer
    x = 53,068.08

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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.