Home / 55,858.04-77,162.42-50,813.36

Finding the Fourth Proportional to 55,858.04, 77,162.42 and 50,813.36

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Solution

The fourth proportional to 55,858.04, 77,162.42 and 50,813.36 is: 70,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,858.04 : 77,162.42 = 50,813.36 : x
  2. Step 2: Convert to fraction form
    55,858.04/77,162.42 = 50,813.36/x
  3. Step 3: Cross multiply
    55,858.04x = 77,162.42 × 50,813.36
  4. Step 4: Simplify right side
    55,858.04x = 3,920,881,186.05
  5. Step 5: Solve for x
    x = 3,920,881,186.05/55,858.04
  6. Step 6: Final answer
    x = 70,193.68

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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.