Home / 70,007.13-96,611.74-42,787.62

Finding the Fourth Proportional to 70,007.13, 96,611.74 and 42,787.62

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Solution

The fourth proportional to 70,007.13, 96,611.74 and 42,787.62 is: 59,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.13 : 96,611.74 = 42,787.62 : x
  2. Step 2: Convert to fraction form
    70,007.13/96,611.74 = 42,787.62/x
  3. Step 3: Cross multiply
    70,007.13x = 96,611.74 × 42,787.62
  4. Step 4: Simplify right side
    70,007.13x = 4,133,786,311.69
  5. Step 5: Solve for x
    x = 4,133,786,311.69/70,007.13
  6. Step 6: Final answer
    x = 59,048.08

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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.