Home / 76,513.28-105,580.16-44,659.20

Finding the Fourth Proportional to 76,513.28, 105,580.16 and 44,659.20

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Solution

The fourth proportional to 76,513.28, 105,580.16 and 44,659.20 is: 61,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,513.28 : 105,580.16 = 44,659.20 : x
  2. Step 2: Convert to fraction form
    76,513.28/105,580.16 = 44,659.20/x
  3. Step 3: Cross multiply
    76,513.28x = 105,580.16 × 44,659.20
  4. Step 4: Simplify right side
    76,513.28x = 4,715,125,481.47
  5. Step 5: Solve for x
    x = 4,715,125,481.47/76,513.28
  6. Step 6: Final answer
    x = 61,624.93

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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.