Home / 64,164.15-88,364.12-62,790.39

Finding the Fourth Proportional to 64,164.15, 88,364.12 and 62,790.39

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Solution

The fourth proportional to 64,164.15, 88,364.12 and 62,790.39 is: 86,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164.15 : 88,364.12 = 62,790.39 : x
  2. Step 2: Convert to fraction form
    64,164.15/88,364.12 = 62,790.39/x
  3. Step 3: Cross multiply
    64,164.15x = 88,364.12 × 62,790.39
  4. Step 4: Simplify right side
    64,164.15x = 5,548,417,242.85
  5. Step 5: Solve for x
    x = 5,548,417,242.85/64,164.15
  6. Step 6: Final answer
    x = 86,472.23

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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.