Home / 69,965.84-105,036.55-56,098.64

Finding the Fourth Proportional to 69,965.84, 105,036.55 and 56,098.64

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Solution

The fourth proportional to 69,965.84, 105,036.55 and 56,098.64 is: 84,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.84 : 105,036.55 = 56,098.64 : x
  2. Step 2: Convert to fraction form
    69,965.84/105,036.55 = 56,098.64/x
  3. Step 3: Cross multiply
    69,965.84x = 105,036.55 × 56,098.64
  4. Step 4: Simplify right side
    69,965.84x = 5,892,407,727.64
  5. Step 5: Solve for x
    x = 5,892,407,727.64/69,965.84
  6. Step 6: Final answer
    x = 84,218.35

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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.