Home / 66,159.40-91,300.08-35,944.84

Finding the Fourth Proportional to 66,159.40, 91,300.08 and 35,944.84

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Solution

The fourth proportional to 66,159.40, 91,300.08 and 35,944.84 is: 49,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159.40 : 91,300.08 = 35,944.84 : x
  2. Step 2: Convert to fraction form
    66,159.40/91,300.08 = 35,944.84/x
  3. Step 3: Cross multiply
    66,159.40x = 91,300.08 × 35,944.84
  4. Step 4: Simplify right side
    66,159.40x = 3,281,766,767.59
  5. Step 5: Solve for x
    x = 3,281,766,767.59/66,159.40
  6. Step 6: Final answer
    x = 49,603.94

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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.