Home / 81,323.02-122,124.12-49,917.50

Finding the Fourth Proportional to 81,323.02, 122,124.12 and 49,917.50

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Solution

The fourth proportional to 81,323.02, 122,124.12 and 49,917.50 is: 74,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,323.02 : 122,124.12 = 49,917.50 : x
  2. Step 2: Convert to fraction form
    81,323.02/122,124.12 = 49,917.50/x
  3. Step 3: Cross multiply
    81,323.02x = 122,124.12 × 49,917.50
  4. Step 4: Simplify right side
    81,323.02x = 6,096,130,760.10
  5. Step 5: Solve for x
    x = 6,096,130,760.10/81,323.02
  6. Step 6: Final answer
    x = 74,961.93

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1.5x scale

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.