Home / 76,133.02-105,061.20-43,867.70

Finding the Fourth Proportional to 76,133.02, 105,061.20 and 43,867.70

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Solution

The fourth proportional to 76,133.02, 105,061.20 and 43,867.70 is: 60,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,133.02 : 105,061.20 = 43,867.70 : x
  2. Step 2: Convert to fraction form
    76,133.02/105,061.20 = 43,867.70/x
  3. Step 3: Cross multiply
    76,133.02x = 105,061.20 × 43,867.70
  4. Step 4: Simplify right side
    76,133.02x = 4,608,793,580.63
  5. Step 5: Solve for x
    x = 4,608,793,580.63/76,133.02
  6. Step 6: Final answer
    x = 60,536.07

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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.