Home / 70,015.30-96,617.81-42,836.58

Finding the Fourth Proportional to 70,015.30, 96,617.81 and 42,836.58

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Solution

The fourth proportional to 70,015.30, 96,617.81 and 42,836.58 is: 59,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,015.30 : 96,617.81 = 42,836.58 : x
  2. Step 2: Convert to fraction form
    70,015.30/96,617.81 = 42,836.58/x
  3. Step 3: Cross multiply
    70,015.30x = 96,617.81 × 42,836.58
  4. Step 4: Simplify right side
    70,015.30x = 4,138,776,654.58
  5. Step 5: Solve for x
    x = 4,138,776,654.58/70,015.30
  6. Step 6: Final answer
    x = 59,112.46

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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.