Home / 66,583.80-99,746.10-40,210.20

Finding the Fourth Proportional to 66,583.80, 99,746.10 and 40,210.20

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Solution

The fourth proportional to 66,583.80, 99,746.10 and 40,210.20 is: 60,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,583.80 : 99,746.10 = 40,210.20 : x
  2. Step 2: Convert to fraction form
    66,583.80/99,746.10 = 40,210.20/x
  3. Step 3: Cross multiply
    66,583.80x = 99,746.10 × 40,210.20
  4. Step 4: Simplify right side
    66,583.80x = 4,010,810,630.22
  5. Step 5: Solve for x
    x = 4,010,810,630.22/66,583.80
  6. Step 6: Final answer
    x = 60,237.03

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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.