Home / 56,099.19-77,416.88-30,948.69

Finding the Fourth Proportional to 56,099.19, 77,416.88 and 30,948.69

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Solution

The fourth proportional to 56,099.19, 77,416.88 and 30,948.69 is: 42,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,099.19 : 77,416.88 = 30,948.69 : x
  2. Step 2: Convert to fraction form
    56,099.19/77,416.88 = 30,948.69/x
  3. Step 3: Cross multiply
    56,099.19x = 77,416.88 × 30,948.69
  4. Step 4: Simplify right side
    56,099.19x = 2,395,950,865.14
  5. Step 5: Solve for x
    x = 2,395,950,865.14/56,099.19
  6. Step 6: Final answer
    x = 42,709.19

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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.