Home / 77,439.04-116,115.36-37,911.04

Finding the Fourth Proportional to 77,439.04, 116,115.36 and 37,911.04

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Solution

The fourth proportional to 77,439.04, 116,115.36 and 37,911.04 is: 56,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439.04 : 116,115.36 = 37,911.04 : x
  2. Step 2: Convert to fraction form
    77,439.04/116,115.36 = 37,911.04/x
  3. Step 3: Cross multiply
    77,439.04x = 116,115.36 × 37,911.04
  4. Step 4: Simplify right side
    77,439.04x = 4,402,054,057.57
  5. Step 5: Solve for x
    x = 4,402,054,057.57/77,439.04
  6. Step 6: Final answer
    x = 56,845.41

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1.5x scale

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.