Home / 66,068.02-99,101.72-18,683.02

Finding the Fourth Proportional to 66,068.02, 99,101.72 and 18,683.02

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Solution

The fourth proportional to 66,068.02, 99,101.72 and 18,683.02 is: 28,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.02 : 99,101.72 = 18,683.02 : x
  2. Step 2: Convert to fraction form
    66,068.02/99,101.72 = 18,683.02/x
  3. Step 3: Cross multiply
    66,068.02x = 99,101.72 × 18,683.02
  4. Step 4: Simplify right side
    66,068.02x = 1,851,519,416.79
  5. Step 5: Solve for x
    x = 1,851,519,416.79/66,068.02
  6. Step 6: Final answer
    x = 28,024.44

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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.