Home / 54,307.06-74,980.23-33,920.12

Finding the Fourth Proportional to 54,307.06, 74,980.23 and 33,920.12

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Solution

The fourth proportional to 54,307.06, 74,980.23 and 33,920.12 is: 46,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.06 : 74,980.23 = 33,920.12 : x
  2. Step 2: Convert to fraction form
    54,307.06/74,980.23 = 33,920.12/x
  3. Step 3: Cross multiply
    54,307.06x = 74,980.23 × 33,920.12
  4. Step 4: Simplify right side
    54,307.06x = 2,543,338,228.51
  5. Step 5: Solve for x
    x = 2,543,338,228.51/54,307.06
  6. Step 6: Final answer
    x = 46,832.55

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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.