Home / 91,785.12-126,670.02-50,951.40

Finding the Fourth Proportional to 91,785.12, 126,670.02 and 50,951.40

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Solution

The fourth proportional to 91,785.12, 126,670.02 and 50,951.40 is: 70,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.12 : 126,670.02 = 50,951.40 : x
  2. Step 2: Convert to fraction form
    91,785.12/126,670.02 = 50,951.40/x
  3. Step 3: Cross multiply
    91,785.12x = 126,670.02 × 50,951.40
  4. Step 4: Simplify right side
    91,785.12x = 6,454,014,857.03
  5. Step 5: Solve for x
    x = 6,454,014,857.03/91,785.12
  6. Step 6: Final answer
    x = 70,316.57

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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.