Home / 77,643.29-116,492.27-38,228.09

Finding the Fourth Proportional to 77,643.29, 116,492.27 and 38,228.09

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Solution

The fourth proportional to 77,643.29, 116,492.27 and 38,228.09 is: 57,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,643.29 : 116,492.27 = 38,228.09 : x
  2. Step 2: Convert to fraction form
    77,643.29/116,492.27 = 38,228.09/x
  3. Step 3: Cross multiply
    77,643.29x = 116,492.27 × 38,228.09
  4. Step 4: Simplify right side
    77,643.29x = 4,453,276,208.26
  5. Step 5: Solve for x
    x = 4,453,276,208.26/77,643.29
  6. Step 6: Final answer
    x = 57,355.58

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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.