Home / 125,849.31-173,632.95-71,392.50

Finding the Fourth Proportional to 125,849.31, 173,632.95 and 71,392.50

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Solution

The fourth proportional to 125,849.31, 173,632.95 and 71,392.50 is: 98,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,849.31 : 173,632.95 = 71,392.50 : x
  2. Step 2: Convert to fraction form
    125,849.31/173,632.95 = 71,392.50/x
  3. Step 3: Cross multiply
    125,849.31x = 173,632.95 × 71,392.50
  4. Step 4: Simplify right side
    125,849.31x = 12,396,089,514.71
  5. Step 5: Solve for x
    x = 12,396,089,514.71/125,849.31
  6. Step 6: Final answer
    x = 98,499.47

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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.