Home / 75,075.18-103,602.15-41,083.53

Finding the Fourth Proportional to 75,075.18, 103,602.15 and 41,083.53

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Solution

The fourth proportional to 75,075.18, 103,602.15 and 41,083.53 is: 56,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075.18 : 103,602.15 = 41,083.53 : x
  2. Step 2: Convert to fraction form
    75,075.18/103,602.15 = 41,083.53/x
  3. Step 3: Cross multiply
    75,075.18x = 103,602.15 × 41,083.53
  4. Step 4: Simplify right side
    75,075.18x = 4,256,342,037.59
  5. Step 5: Solve for x
    x = 4,256,342,037.59/75,075.18
  6. Step 6: Final answer
    x = 56,694.40

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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.