Home / 94,165.48-129,970.78-53,902.50

Finding the Fourth Proportional to 94,165.48, 129,970.78 and 53,902.50

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Solution

The fourth proportional to 94,165.48, 129,970.78 and 53,902.50 is: 74,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,165.48 : 129,970.78 = 53,902.50 : x
  2. Step 2: Convert to fraction form
    94,165.48/129,970.78 = 53,902.50/x
  3. Step 3: Cross multiply
    94,165.48x = 129,970.78 × 53,902.50
  4. Step 4: Simplify right side
    94,165.48x = 7,005,749,968.95
  5. Step 5: Solve for x
    x = 7,005,749,968.95/94,165.48
  6. Step 6: Final answer
    x = 74,398.28

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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.