Home / 52,516.12-72,472.26-28,642.84

Finding the Fourth Proportional to 52,516.12, 72,472.26 and 28,642.84

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Solution

The fourth proportional to 52,516.12, 72,472.26 and 28,642.84 is: 39,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.12 : 72,472.26 = 28,642.84 : x
  2. Step 2: Convert to fraction form
    52,516.12/72,472.26 = 28,642.84/x
  3. Step 3: Cross multiply
    52,516.12x = 72,472.26 × 28,642.84
  4. Step 4: Simplify right side
    52,516.12x = 2,075,811,347.62
  5. Step 5: Solve for x
    x = 2,075,811,347.62/52,516.12
  6. Step 6: Final answer
    x = 39,527.13

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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.