Home / 74,736.02-103,077.39-47,881.03

Finding the Fourth Proportional to 74,736.02, 103,077.39 and 47,881.03

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Solution

The fourth proportional to 74,736.02, 103,077.39 and 47,881.03 is: 66,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736.02 : 103,077.39 = 47,881.03 : x
  2. Step 2: Convert to fraction form
    74,736.02/103,077.39 = 47,881.03/x
  3. Step 3: Cross multiply
    74,736.02x = 103,077.39 × 47,881.03
  4. Step 4: Simplify right side
    74,736.02x = 4,935,451,602.91
  5. Step 5: Solve for x
    x = 4,935,451,602.91/74,736.02
  6. Step 6: Final answer
    x = 66,038.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.