Home / 76,214.16-105,226.86-47,577.42

Finding the Fourth Proportional to 76,214.16, 105,226.86 and 47,577.42

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Solution

The fourth proportional to 76,214.16, 105,226.86 and 47,577.42 is: 65,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,214.16 : 105,226.86 = 47,577.42 : x
  2. Step 2: Convert to fraction form
    76,214.16/105,226.86 = 47,577.42/x
  3. Step 3: Cross multiply
    76,214.16x = 105,226.86 × 47,577.42
  4. Step 4: Simplify right side
    76,214.16x = 5,006,422,513.50
  5. Step 5: Solve for x
    x = 5,006,422,513.50/76,214.16
  6. Step 6: Final answer
    x = 65,688.88

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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.