Home / 66,274.67-99,374.36-45,240.18

Finding the Fourth Proportional to 66,274.67, 99,374.36 and 45,240.18

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Solution

The fourth proportional to 66,274.67, 99,374.36 and 45,240.18 is: 67,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,274.67 : 99,374.36 = 45,240.18 : x
  2. Step 2: Convert to fraction form
    66,274.67/99,374.36 = 45,240.18/x
  3. Step 3: Cross multiply
    66,274.67x = 99,374.36 × 45,240.18
  4. Step 4: Simplify right side
    66,274.67x = 4,495,714,080.24
  5. Step 5: Solve for x
    x = 4,495,714,080.24/66,274.67
  6. Step 6: Final answer
    x = 67,834.58

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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.