Home / 77,308.02-115,703.64-44,019.15

Finding the Fourth Proportional to 77,308.02, 115,703.64 and 44,019.15

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Solution

The fourth proportional to 77,308.02, 115,703.64 and 44,019.15 is: 65,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308.02 : 115,703.64 = 44,019.15 : x
  2. Step 2: Convert to fraction form
    77,308.02/115,703.64 = 44,019.15/x
  3. Step 3: Cross multiply
    77,308.02x = 115,703.64 × 44,019.15
  4. Step 4: Simplify right side
    77,308.02x = 5,093,175,884.71
  5. Step 5: Solve for x
    x = 5,093,175,884.71/77,308.02
  6. Step 6: Final answer
    x = 65,881.60

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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.