Home / 73,682.15-101,681.36-40,148.15

Finding the Fourth Proportional to 73,682.15, 101,681.36 and 40,148.15

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Solution

The fourth proportional to 73,682.15, 101,681.36 and 40,148.15 is: 55,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,682.15 : 101,681.36 = 40,148.15 : x
  2. Step 2: Convert to fraction form
    73,682.15/101,681.36 = 40,148.15/x
  3. Step 3: Cross multiply
    73,682.15x = 101,681.36 × 40,148.15
  4. Step 4: Simplify right side
    73,682.15x = 4,082,317,985.08
  5. Step 5: Solve for x
    x = 4,082,317,985.08/73,682.15
  6. Step 6: Final answer
    x = 55,404.44

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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.