Home / 124,421.90-186,632.71-30,927.65

Finding the Fourth Proportional to 124,421.90, 186,632.71 and 30,927.65

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Solution

The fourth proportional to 124,421.90, 186,632.71 and 30,927.65 is: 46,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.90 : 186,632.71 = 30,927.65 : x
  2. Step 2: Convert to fraction form
    124,421.90/186,632.71 = 30,927.65/x
  3. Step 3: Cross multiply
    124,421.90x = 186,632.71 × 30,927.65
  4. Step 4: Simplify right side
    124,421.90x = 5,772,110,122.95
  5. Step 5: Solve for x
    x = 5,772,110,122.95/124,421.90
  6. Step 6: Final answer
    x = 46,391.43

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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.