Home / 76,284.73-105,272.75-42,292.35

Finding the Fourth Proportional to 76,284.73, 105,272.75 and 42,292.35

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Solution

The fourth proportional to 76,284.73, 105,272.75 and 42,292.35 is: 58,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,284.73 : 105,272.75 = 42,292.35 : x
  2. Step 2: Convert to fraction form
    76,284.73/105,272.75 = 42,292.35/x
  3. Step 3: Cross multiply
    76,284.73x = 105,272.75 × 42,292.35
  4. Step 4: Simplify right side
    76,284.73x = 4,452,231,664.62
  5. Step 5: Solve for x
    x = 4,452,231,664.62/76,284.73
  6. Step 6: Final answer
    x = 58,363.34

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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.