Home / 75,723.40-113,459.53-46,051.48

Finding the Fourth Proportional to 75,723.40, 113,459.53 and 46,051.48

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Solution

The fourth proportional to 75,723.40, 113,459.53 and 46,051.48 is: 69,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,723.40 : 113,459.53 = 46,051.48 : x
  2. Step 2: Convert to fraction form
    75,723.40/113,459.53 = 46,051.48/x
  3. Step 3: Cross multiply
    75,723.40x = 113,459.53 × 46,051.48
  4. Step 4: Simplify right side
    75,723.40x = 5,224,979,276.60
  5. Step 5: Solve for x
    x = 5,224,979,276.60/75,723.40
  6. Step 6: Final answer
    x = 69,000.85

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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.