Home / 103,639.17-155,458.79-37,075.26

Finding the Fourth Proportional to 103,639.17, 155,458.79 and 37,075.26

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Solution

The fourth proportional to 103,639.17, 155,458.79 and 37,075.26 is: 55,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.17 : 155,458.79 = 37,075.26 : x
  2. Step 2: Convert to fraction form
    103,639.17/155,458.79 = 37,075.26/x
  3. Step 3: Cross multiply
    103,639.17x = 155,458.79 × 37,075.26
  4. Step 4: Simplify right side
    103,639.17x = 5,763,675,058.54
  5. Step 5: Solve for x
    x = 5,763,675,058.54/103,639.17
  6. Step 6: Final answer
    x = 55,612.90

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1.5x scale

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.