Home / 66,155.40-99,267.14-36,567.72

Finding the Fourth Proportional to 66,155.40, 99,267.14 and 36,567.72

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Solution

The fourth proportional to 66,155.40, 99,267.14 and 36,567.72 is: 54,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.40 : 99,267.14 = 36,567.72 : x
  2. Step 2: Convert to fraction form
    66,155.40/99,267.14 = 36,567.72/x
  3. Step 3: Cross multiply
    66,155.40x = 99,267.14 × 36,567.72
  4. Step 4: Simplify right side
    66,155.40x = 3,629,972,980.72
  5. Step 5: Solve for x
    x = 3,629,972,980.72/66,155.40
  6. Step 6: Final answer
    x = 54,870.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.