Home / 67,382.28-92,903.76-51,441.48

Finding the Fourth Proportional to 67,382.28, 92,903.76 and 51,441.48

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Solution

The fourth proportional to 67,382.28, 92,903.76 and 51,441.48 is: 70,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382.28 : 92,903.76 = 51,441.48 : x
  2. Step 2: Convert to fraction form
    67,382.28/92,903.76 = 51,441.48/x
  3. Step 3: Cross multiply
    67,382.28x = 92,903.76 × 51,441.48
  4. Step 4: Simplify right side
    67,382.28x = 4,779,106,911.96
  5. Step 5: Solve for x
    x = 4,779,106,911.96/67,382.28
  6. Step 6: Final answer
    x = 70,925.28

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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.