Home / 67,021.64-100,555.50-42,032.42

Finding the Fourth Proportional to 67,021.64, 100,555.50 and 42,032.42

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Solution

The fourth proportional to 67,021.64, 100,555.50 and 42,032.42 is: 63,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.64 : 100,555.50 = 42,032.42 : x
  2. Step 2: Convert to fraction form
    67,021.64/100,555.50 = 42,032.42/x
  3. Step 3: Cross multiply
    67,021.64x = 100,555.50 × 42,032.42
  4. Step 4: Simplify right side
    67,021.64x = 4,226,590,506.53
  5. Step 5: Solve for x
    x = 4,226,590,506.53/67,021.64
  6. Step 6: Final answer
    x = 63,063.08

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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.