Home / 107,331.32-160,787.54-70,283

Finding the Fourth Proportional to 107,331.32, 160,787.54 and 70,283

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Solution

The fourth proportional to 107,331.32, 160,787.54 and 70,283 is: 105,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,331.32 : 160,787.54 = 70,283 : x
  2. Step 2: Convert to fraction form
    107,331.32/160,787.54 = 70,283/x
  3. Step 3: Cross multiply
    107,331.32x = 160,787.54 × 70,283
  4. Step 4: Simplify right side
    107,331.32x = 11,300,630,673.82
  5. Step 5: Solve for x
    x = 11,300,630,673.82/107,331.32
  6. Step 6: Final answer
    x = 105,287.35

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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.