Home / 66,298.12-91,493.35-36,085.40

Finding the Fourth Proportional to 66,298.12, 91,493.35 and 36,085.40

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Solution

The fourth proportional to 66,298.12, 91,493.35 and 36,085.40 is: 49,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298.12 : 91,493.35 = 36,085.40 : x
  2. Step 2: Convert to fraction form
    66,298.12/91,493.35 = 36,085.40/x
  3. Step 3: Cross multiply
    66,298.12x = 91,493.35 × 36,085.40
  4. Step 4: Simplify right side
    66,298.12x = 3,301,573,584.41
  5. Step 5: Solve for x
    x = 3,301,573,584.41/66,298.12
  6. Step 6: Final answer
    x = 49,798.90

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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.