Home / 76,918.09-106,152.29-42,933.19

Finding the Fourth Proportional to 76,918.09, 106,152.29 and 42,933.19

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Solution

The fourth proportional to 76,918.09, 106,152.29 and 42,933.19 is: 59,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,918.09 : 106,152.29 = 42,933.19 : x
  2. Step 2: Convert to fraction form
    76,918.09/106,152.29 = 42,933.19/x
  3. Step 3: Cross multiply
    76,918.09x = 106,152.29 × 42,933.19
  4. Step 4: Simplify right side
    76,918.09x = 4,557,456,435.51
  5. Step 5: Solve for x
    x = 4,557,456,435.51/76,918.09
  6. Step 6: Final answer
    x = 59,250.77

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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.