Home / 77,590.36-107,074.61-45,347.14

Finding the Fourth Proportional to 77,590.36, 107,074.61 and 45,347.14

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Solution

The fourth proportional to 77,590.36, 107,074.61 and 45,347.14 is: 62,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,590.36 : 107,074.61 = 45,347.14 : x
  2. Step 2: Convert to fraction form
    77,590.36/107,074.61 = 45,347.14/x
  3. Step 3: Cross multiply
    77,590.36x = 107,074.61 × 45,347.14
  4. Step 4: Simplify right side
    77,590.36x = 4,855,527,407.27
  5. Step 5: Solve for x
    x = 4,855,527,407.27/77,590.36
  6. Step 6: Final answer
    x = 62,579.01

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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.