Home / 66,210.90-99,322.46-18,826.98

Finding the Fourth Proportional to 66,210.90, 99,322.46 and 18,826.98

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Solution

The fourth proportional to 66,210.90, 99,322.46 and 18,826.98 is: 28,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210.90 : 99,322.46 = 18,826.98 : x
  2. Step 2: Convert to fraction form
    66,210.90/99,322.46 = 18,826.98/x
  3. Step 3: Cross multiply
    66,210.90x = 99,322.46 × 18,826.98
  4. Step 4: Simplify right side
    66,210.90x = 1,869,941,967.97
  5. Step 5: Solve for x
    x = 1,869,941,967.97/66,210.90
  6. Step 6: Final answer
    x = 28,242.21

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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.