Home / 75,193.02-103,529.60-63,840.06

Finding the Fourth Proportional to 75,193.02, 103,529.60 and 63,840.06

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Solution

The fourth proportional to 75,193.02, 103,529.60 and 63,840.06 is: 87,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,193.02 : 103,529.60 = 63,840.06 : x
  2. Step 2: Convert to fraction form
    75,193.02/103,529.60 = 63,840.06/x
  3. Step 3: Cross multiply
    75,193.02x = 103,529.60 × 63,840.06
  4. Step 4: Simplify right side
    75,193.02x = 6,609,335,875.78
  5. Step 5: Solve for x
    x = 6,609,335,875.78/75,193.02
  6. Step 6: Final answer
    x = 87,898.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.