Home / 74,130.28-111,206.27-21,532.93

Finding the Fourth Proportional to 74,130.28, 111,206.27 and 21,532.93

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Solution

The fourth proportional to 74,130.28, 111,206.27 and 21,532.93 is: 32,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.28 : 111,206.27 = 21,532.93 : x
  2. Step 2: Convert to fraction form
    74,130.28/111,206.27 = 21,532.93/x
  3. Step 3: Cross multiply
    74,130.28x = 111,206.27 × 21,532.93
  4. Step 4: Simplify right side
    74,130.28x = 2,394,596,827.47
  5. Step 5: Solve for x
    x = 2,394,596,827.47/74,130.28
  6. Step 6: Final answer
    x = 32,302.55

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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.