Home / 91,013.60-125,583.54-50,718.53

Finding the Fourth Proportional to 91,013.60, 125,583.54 and 50,718.53

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Solution

The fourth proportional to 91,013.60, 125,583.54 and 50,718.53 is: 69,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.60 : 125,583.54 = 50,718.53 : x
  2. Step 2: Convert to fraction form
    91,013.60/125,583.54 = 50,718.53/x
  3. Step 3: Cross multiply
    91,013.60x = 125,583.54 × 50,718.53
  4. Step 4: Simplify right side
    91,013.60x = 6,369,412,541.00
  5. Step 5: Solve for x
    x = 6,369,412,541.00/91,013.60
  6. Step 6: Final answer
    x = 69,983.09

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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.