Home / 77,775.01-116,567.73-40,314.44

Finding the Fourth Proportional to 77,775.01, 116,567.73 and 40,314.44

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Solution

The fourth proportional to 77,775.01, 116,567.73 and 40,314.44 is: 60,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775.01 : 116,567.73 = 40,314.44 : x
  2. Step 2: Convert to fraction form
    77,775.01/116,567.73 = 40,314.44/x
  3. Step 3: Cross multiply
    77,775.01x = 116,567.73 × 40,314.44
  4. Step 4: Simplify right side
    77,775.01x = 4,699,363,048.44
  5. Step 5: Solve for x
    x = 4,699,363,048.44/77,775.01
  6. Step 6: Final answer
    x = 60,422.53

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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.