Home / 78,606.48-108,464.76-45,066

Finding the Fourth Proportional to 78,606.48, 108,464.76 and 45,066

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Solution

The fourth proportional to 78,606.48, 108,464.76 and 45,066 is: 62,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,606.48 : 108,464.76 = 45,066 : x
  2. Step 2: Convert to fraction form
    78,606.48/108,464.76 = 45,066/x
  3. Step 3: Cross multiply
    78,606.48x = 108,464.76 × 45,066
  4. Step 4: Simplify right side
    78,606.48x = 4,888,072,874.16
  5. Step 5: Solve for x
    x = 4,888,072,874.16/78,606.48
  6. Step 6: Final answer
    x = 62,184.10

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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.