Home / 66,488.83-91,751.39-36,272.35

Finding the Fourth Proportional to 66,488.83, 91,751.39 and 36,272.35

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Solution

The fourth proportional to 66,488.83, 91,751.39 and 36,272.35 is: 50,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488.83 : 91,751.39 = 36,272.35 : x
  2. Step 2: Convert to fraction form
    66,488.83/91,751.39 = 36,272.35/x
  3. Step 3: Cross multiply
    66,488.83x = 91,751.39 × 36,272.35
  4. Step 4: Simplify right side
    66,488.83x = 3,328,038,498.40
  5. Step 5: Solve for x
    x = 3,328,038,498.40/66,488.83
  6. Step 6: Final answer
    x = 50,054.10

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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.