Home / 125,607.03-173,268.50-79,582.47

Finding the Fourth Proportional to 125,607.03, 173,268.50 and 79,582.47

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Solution

The fourth proportional to 125,607.03, 173,268.50 and 79,582.47 is: 109,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,607.03 : 173,268.50 = 79,582.47 : x
  2. Step 2: Convert to fraction form
    125,607.03/173,268.50 = 79,582.47/x
  3. Step 3: Cross multiply
    125,607.03x = 173,268.50 × 79,582.47
  4. Step 4: Simplify right side
    125,607.03x = 13,789,134,805.28
  5. Step 5: Solve for x
    x = 13,789,134,805.28/125,607.03
  6. Step 6: Final answer
    x = 109,779.96

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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.