Home / 56,011.48-77,189.50-40,068.25

Finding the Fourth Proportional to 56,011.48, 77,189.50 and 40,068.25

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Solution

The fourth proportional to 56,011.48, 77,189.50 and 40,068.25 is: 55,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.48 : 77,189.50 = 40,068.25 : x
  2. Step 2: Convert to fraction form
    56,011.48/77,189.50 = 40,068.25/x
  3. Step 3: Cross multiply
    56,011.48x = 77,189.50 × 40,068.25
  4. Step 4: Simplify right side
    56,011.48x = 3,092,848,183.38
  5. Step 5: Solve for x
    x = 3,092,848,183.38/56,011.48
  6. Step 6: Final answer
    x = 55,218.11

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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.