Home / 76,214.18-105,179.34-45,999.02

Finding the Fourth Proportional to 76,214.18, 105,179.34 and 45,999.02

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Solution

The fourth proportional to 76,214.18, 105,179.34 and 45,999.02 is: 63,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,214.18 : 105,179.34 = 45,999.02 : x
  2. Step 2: Convert to fraction form
    76,214.18/105,179.34 = 45,999.02/x
  3. Step 3: Cross multiply
    76,214.18x = 105,179.34 × 45,999.02
  4. Step 4: Simplify right side
    76,214.18x = 4,838,146,564.25
  5. Step 5: Solve for x
    x = 4,838,146,564.25/76,214.18
  6. Step 6: Final answer
    x = 63,480.92

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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.