Home / 76,283.28-105,269.09-42,291.14

Finding the Fourth Proportional to 76,283.28, 105,269.09 and 42,291.14

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Solution

The fourth proportional to 76,283.28, 105,269.09 and 42,291.14 is: 58,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.28 : 105,269.09 = 42,291.14 : x
  2. Step 2: Convert to fraction form
    76,283.28/105,269.09 = 42,291.14/x
  3. Step 3: Cross multiply
    76,283.28x = 105,269.09 × 42,291.14
  4. Step 4: Simplify right side
    76,283.28x = 4,451,949,085.06
  5. Step 5: Solve for x
    x = 4,451,949,085.06/76,283.28
  6. Step 6: Final answer
    x = 58,360.75

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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.