Home / 90,075.24-124,309.54-51,847.72

Finding the Fourth Proportional to 90,075.24, 124,309.54 and 51,847.72

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Solution

The fourth proportional to 90,075.24, 124,309.54 and 51,847.72 is: 71,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075.24 : 124,309.54 = 51,847.72 : x
  2. Step 2: Convert to fraction form
    90,075.24/124,309.54 = 51,847.72/x
  3. Step 3: Cross multiply
    90,075.24x = 124,309.54 × 51,847.72
  4. Step 4: Simplify right side
    90,075.24x = 6,445,166,223.25
  5. Step 5: Solve for x
    x = 6,445,166,223.25/90,075.24
  6. Step 6: Final answer
    x = 71,553.14

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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.