Home / 103,639.01-155,458.48-37,075.10

Finding the Fourth Proportional to 103,639.01, 155,458.48 and 37,075.10

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Solution

The fourth proportional to 103,639.01, 155,458.48 and 37,075.10 is: 55,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.01 : 155,458.48 = 37,075.10 : x
  2. Step 2: Convert to fraction form
    103,639.01/155,458.48 = 37,075.10/x
  3. Step 3: Cross multiply
    103,639.01x = 155,458.48 × 37,075.10
  4. Step 4: Simplify right side
    103,639.01x = 5,763,638,691.85
  5. Step 5: Solve for x
    x = 5,763,638,691.85/103,639.01
  6. Step 6: Final answer
    x = 55,612.64

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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.