Home / 77,577.45-107,043.93-45,752.65

Finding the Fourth Proportional to 77,577.45, 107,043.93 and 45,752.65

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Solution

The fourth proportional to 77,577.45, 107,043.93 and 45,752.65 is: 63,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,577.45 : 107,043.93 = 45,752.65 : x
  2. Step 2: Convert to fraction form
    77,577.45/107,043.93 = 45,752.65/x
  3. Step 3: Cross multiply
    77,577.45x = 107,043.93 × 45,752.65
  4. Step 4: Simplify right side
    77,577.45x = 4,897,543,196.30
  5. Step 5: Solve for x
    x = 4,897,543,196.30/77,577.45
  6. Step 6: Final answer
    x = 63,131.02

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1.5x scale

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.