Home / 66,509.74-99,766.14-22,140.06

Finding the Fourth Proportional to 66,509.74, 99,766.14 and 22,140.06

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Solution

The fourth proportional to 66,509.74, 99,766.14 and 22,140.06 is: 33,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,509.74 : 99,766.14 = 22,140.06 : x
  2. Step 2: Convert to fraction form
    66,509.74/99,766.14 = 22,140.06/x
  3. Step 3: Cross multiply
    66,509.74x = 99,766.14 × 22,140.06
  4. Step 4: Simplify right side
    66,509.74x = 2,208,828,325.57
  5. Step 5: Solve for x
    x = 2,208,828,325.57/66,509.74
  6. Step 6: Final answer
    x = 33,210.60

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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.