Home / 64,401.36-88,877.16-36,105.36

Finding the Fourth Proportional to 64,401.36, 88,877.16 and 36,105.36

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Solution

The fourth proportional to 64,401.36, 88,877.16 and 36,105.36 is: 49,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.36 : 88,877.16 = 36,105.36 : x
  2. Step 2: Convert to fraction form
    64,401.36/88,877.16 = 36,105.36/x
  3. Step 3: Cross multiply
    64,401.36x = 88,877.16 × 36,105.36
  4. Step 4: Simplify right side
    64,401.36x = 3,208,941,857.58
  5. Step 5: Solve for x
    x = 3,208,941,857.58/64,401.36
  6. Step 6: Final answer
    x = 49,827.24

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1.5x scale

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.