Home / 77,544.87-116,317.88-42,465.39

Finding the Fourth Proportional to 77,544.87, 116,317.88 and 42,465.39

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Solution

The fourth proportional to 77,544.87, 116,317.88 and 42,465.39 is: 63,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,544.87 : 116,317.88 = 42,465.39 : x
  2. Step 2: Convert to fraction form
    77,544.87/116,317.88 = 42,465.39/x
  3. Step 3: Cross multiply
    77,544.87x = 116,317.88 × 42,465.39
  4. Step 4: Simplify right side
    77,544.87x = 4,939,484,138.17
  5. Step 5: Solve for x
    x = 4,939,484,138.17/77,544.87
  6. Step 6: Final answer
    x = 63,698.40

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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.