Home / 90,361.48-124,697.32-50,075.16

Finding the Fourth Proportional to 90,361.48, 124,697.32 and 50,075.16

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Solution

The fourth proportional to 90,361.48, 124,697.32 and 50,075.16 is: 69,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.48 : 124,697.32 = 50,075.16 : x
  2. Step 2: Convert to fraction form
    90,361.48/124,697.32 = 50,075.16/x
  3. Step 3: Cross multiply
    90,361.48x = 124,697.32 × 50,075.16
  4. Step 4: Simplify right side
    90,361.48x = 6,244,238,250.57
  5. Step 5: Solve for x
    x = 6,244,238,250.57/90,361.48
  6. Step 6: Final answer
    x = 69,102.88

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1.5x scale

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.