Home / 94,721.35-142,085.09-49,731.32

Finding the Fourth Proportional to 94,721.35, 142,085.09 and 49,731.32

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Solution

The fourth proportional to 94,721.35, 142,085.09 and 49,731.32 is: 74,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.35 : 142,085.09 = 49,731.32 : x
  2. Step 2: Convert to fraction form
    94,721.35/142,085.09 = 49,731.32/x
  3. Step 3: Cross multiply
    94,721.35x = 142,085.09 × 49,731.32
  4. Step 4: Simplify right side
    94,721.35x = 7,066,078,478.59
  5. Step 5: Solve for x
    x = 7,066,078,478.59/94,721.35
  6. Step 6: Final answer
    x = 74,598.58

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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.