Home / 70,080.36-104,994.16-38,456.32

Finding the Fourth Proportional to 70,080.36, 104,994.16 and 38,456.32

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Solution

The fourth proportional to 70,080.36, 104,994.16 and 38,456.32 is: 57,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,080.36 : 104,994.16 = 38,456.32 : x
  2. Step 2: Convert to fraction form
    70,080.36/104,994.16 = 38,456.32/x
  3. Step 3: Cross multiply
    70,080.36x = 104,994.16 × 38,456.32
  4. Step 4: Simplify right side
    70,080.36x = 4,037,689,015.09
  5. Step 5: Solve for x
    x = 4,037,689,015.09/70,080.36
  6. Step 6: Final answer
    x = 57,615.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.