Home / 47,459.40-71,165.02-15,858.12

Finding the Fourth Proportional to 47,459.40, 71,165.02 and 15,858.12

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Solution

The fourth proportional to 47,459.40, 71,165.02 and 15,858.12 is: 23,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,459.40 : 71,165.02 = 15,858.12 : x
  2. Step 2: Convert to fraction form
    47,459.40/71,165.02 = 15,858.12/x
  3. Step 3: Cross multiply
    47,459.40x = 71,165.02 × 15,858.12
  4. Step 4: Simplify right side
    47,459.40x = 1,128,543,426.96
  5. Step 5: Solve for x
    x = 1,128,543,426.96/47,459.40
  6. Step 6: Final answer
    x = 23,779.13

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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.