Home / 90,827.10-125,341.02-50,544.72

Finding the Fourth Proportional to 90,827.10, 125,341.02 and 50,544.72

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Solution

The fourth proportional to 90,827.10, 125,341.02 and 50,544.72 is: 69,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.10 : 125,341.02 = 50,544.72 : x
  2. Step 2: Convert to fraction form
    90,827.10/125,341.02 = 50,544.72/x
  3. Step 3: Cross multiply
    90,827.10x = 125,341.02 × 50,544.72
  4. Step 4: Simplify right side
    90,827.10x = 6,335,326,760.41
  5. Step 5: Solve for x
    x = 6,335,326,760.41/90,827.10
  6. Step 6: Final answer
    x = 69,751.50

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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.