Home / 94,014.42-129,748.77-53,720.37

Finding the Fourth Proportional to 94,014.42, 129,748.77 and 53,720.37

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Solution

The fourth proportional to 94,014.42, 129,748.77 and 53,720.37 is: 74,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,014.42 : 129,748.77 = 53,720.37 : x
  2. Step 2: Convert to fraction form
    94,014.42/129,748.77 = 53,720.37/x
  3. Step 3: Cross multiply
    94,014.42x = 129,748.77 × 53,720.37
  4. Step 4: Simplify right side
    94,014.42x = 6,970,151,931.44
  5. Step 5: Solve for x
    x = 6,970,151,931.44/94,014.42
  6. Step 6: Final answer
    x = 74,139.18

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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.