Home / 90,808.50-125,315.79-53,083.02

Finding the Fourth Proportional to 90,808.50, 125,315.79 and 53,083.02

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Solution

The fourth proportional to 90,808.50, 125,315.79 and 53,083.02 is: 73,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,808.50 : 125,315.79 = 53,083.02 : x
  2. Step 2: Convert to fraction form
    90,808.50/125,315.79 = 53,083.02/x
  3. Step 3: Cross multiply
    90,808.50x = 125,315.79 × 53,083.02
  4. Step 4: Simplify right side
    90,808.50x = 6,652,140,586.89
  5. Step 5: Solve for x
    x = 6,652,140,586.89/90,808.50
  6. Step 6: Final answer
    x = 73,254.60

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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.