Home / 73,302.12-101,154.60-39,768.12

Finding the Fourth Proportional to 73,302.12, 101,154.60 and 39,768.12

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Solution

The fourth proportional to 73,302.12, 101,154.60 and 39,768.12 is: 54,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,302.12 : 101,154.60 = 39,768.12 : x
  2. Step 2: Convert to fraction form
    73,302.12/101,154.60 = 39,768.12/x
  3. Step 3: Cross multiply
    73,302.12x = 101,154.60 × 39,768.12
  4. Step 4: Simplify right side
    73,302.12x = 4,022,728,271.35
  5. Step 5: Solve for x
    x = 4,022,728,271.35/73,302.12
  6. Step 6: Final answer
    x = 54,878.74

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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.