Home / 106,872.04-160,272.92-39,388.50

Finding the Fourth Proportional to 106,872.04, 160,272.92 and 39,388.50

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Solution

The fourth proportional to 106,872.04, 160,272.92 and 39,388.50 is: 59,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,872.04 : 160,272.92 = 39,388.50 : x
  2. Step 2: Convert to fraction form
    106,872.04/160,272.92 = 39,388.50/x
  3. Step 3: Cross multiply
    106,872.04x = 160,272.92 × 39,388.50
  4. Step 4: Simplify right side
    106,872.04x = 6,312,909,909.42
  5. Step 5: Solve for x
    x = 6,312,909,909.42/106,872.04
  6. Step 6: Final answer
    x = 59,069.80

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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.