Home / 77,319.60-115,803.36-46,090.32

Finding the Fourth Proportional to 77,319.60, 115,803.36 and 46,090.32

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Solution

The fourth proportional to 77,319.60, 115,803.36 and 46,090.32 is: 69,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.60 : 115,803.36 = 46,090.32 : x
  2. Step 2: Convert to fraction form
    77,319.60/115,803.36 = 46,090.32/x
  3. Step 3: Cross multiply
    77,319.60x = 115,803.36 × 46,090.32
  4. Step 4: Simplify right side
    77,319.60x = 5,337,413,919.48
  5. Step 5: Solve for x
    x = 5,337,413,919.48/77,319.60
  6. Step 6: Final answer
    x = 69,030.54

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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.