Home / 77,478.63-116,207.02-24,881.28

Finding the Fourth Proportional to 77,478.63, 116,207.02 and 24,881.28

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Solution

The fourth proportional to 77,478.63, 116,207.02 and 24,881.28 is: 37,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478.63 : 116,207.02 = 24,881.28 : x
  2. Step 2: Convert to fraction form
    77,478.63/116,207.02 = 24,881.28/x
  3. Step 3: Cross multiply
    77,478.63x = 116,207.02 × 24,881.28
  4. Step 4: Simplify right side
    77,478.63x = 2,891,379,402.59
  5. Step 5: Solve for x
    x = 2,891,379,402.59/77,478.63
  6. Step 6: Final answer
    x = 37,318.41

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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.