Home / 52,725.24-72,758.64-31,516.20

Finding the Fourth Proportional to 52,725.24, 72,758.64 and 31,516.20

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Solution

The fourth proportional to 52,725.24, 72,758.64 and 31,516.20 is: 43,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,725.24 : 72,758.64 = 31,516.20 : x
  2. Step 2: Convert to fraction form
    52,725.24/72,758.64 = 31,516.20/x
  3. Step 3: Cross multiply
    52,725.24x = 72,758.64 × 31,516.20
  4. Step 4: Simplify right side
    52,725.24x = 2,293,075,849.97
  5. Step 5: Solve for x
    x = 2,293,075,849.97/52,725.24
  6. Step 6: Final answer
    x = 43,491.05

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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.