Home / 78,670.32-108,550.07-46,415.11

Finding the Fourth Proportional to 78,670.32, 108,550.07 and 46,415.11

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Solution

The fourth proportional to 78,670.32, 108,550.07 and 46,415.11 is: 64,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,670.32 : 108,550.07 = 46,415.11 : x
  2. Step 2: Convert to fraction form
    78,670.32/108,550.07 = 46,415.11/x
  3. Step 3: Cross multiply
    78,670.32x = 108,550.07 × 46,415.11
  4. Step 4: Simplify right side
    78,670.32x = 5,038,362,936.11
  5. Step 5: Solve for x
    x = 5,038,362,936.11/78,670.32
  6. Step 6: Final answer
    x = 64,044.01

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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.