Home / 115,548.30-173,322.45-56,421.90

Finding the Fourth Proportional to 115,548.30, 173,322.45 and 56,421.90

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Solution

The fourth proportional to 115,548.30, 173,322.45 and 56,421.90 is: 84,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,548.30 : 173,322.45 = 56,421.90 : x
  2. Step 2: Convert to fraction form
    115,548.30/173,322.45 = 56,421.90/x
  3. Step 3: Cross multiply
    115,548.30x = 173,322.45 × 56,421.90
  4. Step 4: Simplify right side
    115,548.30x = 9,779,181,941.66
  5. Step 5: Solve for x
    x = 9,779,181,941.66/115,548.30
  6. Step 6: Final answer
    x = 84,632.85

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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.