Home / 71,369.12-106,980.78-46,459.19

Finding the Fourth Proportional to 71,369.12, 106,980.78 and 46,459.19

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Solution

The fourth proportional to 71,369.12, 106,980.78 and 46,459.19 is: 69,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.12 : 106,980.78 = 46,459.19 : x
  2. Step 2: Convert to fraction form
    71,369.12/106,980.78 = 46,459.19/x
  3. Step 3: Cross multiply
    71,369.12x = 106,980.78 × 46,459.19
  4. Step 4: Simplify right side
    71,369.12x = 4,970,240,384.37
  5. Step 5: Solve for x
    x = 4,970,240,384.37/71,369.12
  6. Step 6: Final answer
    x = 69,641.33

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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.