Home / 67,419.71-92,999.91-43,212.05

Finding the Fourth Proportional to 67,419.71, 92,999.91 and 43,212.05

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Solution

The fourth proportional to 67,419.71, 92,999.91 and 43,212.05 is: 59,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,419.71 : 92,999.91 = 43,212.05 : x
  2. Step 2: Convert to fraction form
    67,419.71/92,999.91 = 43,212.05/x
  3. Step 3: Cross multiply
    67,419.71x = 92,999.91 × 43,212.05
  4. Step 4: Simplify right side
    67,419.71x = 4,018,716,760.92
  5. Step 5: Solve for x
    x = 4,018,716,760.92/67,419.71
  6. Step 6: Final answer
    x = 59,607.45

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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.