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Finding the Fourth Proportional to 94,642.60, 130,610.64 and 52,203.82

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Solution

The fourth proportional to 94,642.60, 130,610.64 and 52,203.82 is: 72,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,642.60 : 130,610.64 = 52,203.82 : x
  2. Step 2: Convert to fraction form
    94,642.60/130,610.64 = 52,203.82/x
  3. Step 3: Cross multiply
    94,642.60x = 130,610.64 × 52,203.82
  4. Step 4: Simplify right side
    94,642.60x = 6,818,374,340.64
  5. Step 5: Solve for x
    x = 6,818,374,340.64/94,642.60
  6. Step 6: Final answer
    x = 72,043.40

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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.