Home / 65,927.45-90,980.08-35,712.70

Finding the Fourth Proportional to 65,927.45, 90,980.08 and 35,712.70

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Solution

The fourth proportional to 65,927.45, 90,980.08 and 35,712.70 is: 49,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.45 : 90,980.08 = 35,712.70 : x
  2. Step 2: Convert to fraction form
    65,927.45/90,980.08 = 35,712.70/x
  3. Step 3: Cross multiply
    65,927.45x = 90,980.08 × 35,712.70
  4. Step 4: Simplify right side
    65,927.45x = 3,249,143,986.28
  5. Step 5: Solve for x
    x = 3,249,143,986.28/65,927.45
  6. Step 6: Final answer
    x = 49,283.63

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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.