Home / 77,246.15-115,666.20-62,173.05

Finding the Fourth Proportional to 77,246.15, 115,666.20 and 62,173.05

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Solution

The fourth proportional to 77,246.15, 115,666.20 and 62,173.05 is: 93,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,246.15 : 115,666.20 = 62,173.05 : x
  2. Step 2: Convert to fraction form
    77,246.15/115,666.20 = 62,173.05/x
  3. Step 3: Cross multiply
    77,246.15x = 115,666.20 × 62,173.05
  4. Step 4: Simplify right side
    77,246.15x = 7,191,320,435.91
  5. Step 5: Solve for x
    x = 7,191,320,435.91/77,246.15
  6. Step 6: Final answer
    x = 93,096.17

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1.5x scale

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.