Home / 76,283.18-105,277.03-42,302.33

Finding the Fourth Proportional to 76,283.18, 105,277.03 and 42,302.33

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Solution

The fourth proportional to 76,283.18, 105,277.03 and 42,302.33 is: 58,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.18 : 105,277.03 = 42,302.33 : x
  2. Step 2: Convert to fraction form
    76,283.18/105,277.03 = 42,302.33/x
  3. Step 3: Cross multiply
    76,283.18x = 105,277.03 × 42,302.33
  4. Step 4: Simplify right side
    76,283.18x = 4,453,463,664.48
  5. Step 5: Solve for x
    x = 4,453,463,664.48/76,283.18
  6. Step 6: Final answer
    x = 58,380.68

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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.