Home / 94,842.90-130,887-54,556.65

Finding the Fourth Proportional to 94,842.90, 130,887 and 54,556.65

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Solution

The fourth proportional to 94,842.90, 130,887 and 54,556.65 is: 75,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,842.90 : 130,887 = 54,556.65 : x
  2. Step 2: Convert to fraction form
    94,842.90/130,887 = 54,556.65/x
  3. Step 3: Cross multiply
    94,842.90x = 130,887 × 54,556.65
  4. Step 4: Simplify right side
    94,842.90x = 7,140,756,248.55
  5. Step 5: Solve for x
    x = 7,140,756,248.55/94,842.90
  6. Step 6: Final answer
    x = 75,290.36

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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.