Home / 91,013.16-125,598.74-50,729.48

Finding the Fourth Proportional to 91,013.16, 125,598.74 and 50,729.48

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Solution

The fourth proportional to 91,013.16, 125,598.74 and 50,729.48 is: 70,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.16 : 125,598.74 = 50,729.48 : x
  2. Step 2: Convert to fraction form
    91,013.16/125,598.74 = 50,729.48/x
  3. Step 3: Cross multiply
    91,013.16x = 125,598.74 × 50,729.48
  4. Step 4: Simplify right side
    91,013.16x = 6,371,558,014.04
  5. Step 5: Solve for x
    x = 6,371,558,014.04/91,013.16
  6. Step 6: Final answer
    x = 70,007.00

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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.