Home / 77,929.40-116,820.12-25,302.08

Finding the Fourth Proportional to 77,929.40, 116,820.12 and 25,302.08

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Solution

The fourth proportional to 77,929.40, 116,820.12 and 25,302.08 is: 37,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,929.40 : 116,820.12 = 25,302.08 : x
  2. Step 2: Convert to fraction form
    77,929.40/116,820.12 = 25,302.08/x
  3. Step 3: Cross multiply
    77,929.40x = 116,820.12 × 25,302.08
  4. Step 4: Simplify right side
    77,929.40x = 2,955,792,021.85
  5. Step 5: Solve for x
    x = 2,955,792,021.85/77,929.40
  6. Step 6: Final answer
    x = 37,929.10

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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.