Home / 91,000.09-125,580.24-50,712.95

Finding the Fourth Proportional to 91,000.09, 125,580.24 and 50,712.95

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Solution

The fourth proportional to 91,000.09, 125,580.24 and 50,712.95 is: 69,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,000.09 : 125,580.24 = 50,712.95 : x
  2. Step 2: Convert to fraction form
    91,000.09/125,580.24 = 50,712.95/x
  3. Step 3: Cross multiply
    91,000.09x = 125,580.24 × 50,712.95
  4. Step 4: Simplify right side
    91,000.09x = 6,368,544,746.06
  5. Step 5: Solve for x
    x = 6,368,544,746.06/91,000.09
  6. Step 6: Final answer
    x = 69,983.94

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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.