Home / 77,591.04-116,384.24-21,434.51

Finding the Fourth Proportional to 77,591.04, 116,384.24 and 21,434.51

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Solution

The fourth proportional to 77,591.04, 116,384.24 and 21,434.51 is: 32,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.04 : 116,384.24 = 21,434.51 : x
  2. Step 2: Convert to fraction form
    77,591.04/116,384.24 = 21,434.51/x
  3. Step 3: Cross multiply
    77,591.04x = 116,384.24 × 21,434.51
  4. Step 4: Simplify right side
    77,591.04x = 2,494,638,467.03
  5. Step 5: Solve for x
    x = 2,494,638,467.03/77,591.04
  6. Step 6: Final answer
    x = 32,151.12

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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.