Home / 54,349.86-74,968.29-39,264.69

Finding the Fourth Proportional to 54,349.86, 74,968.29 and 39,264.69

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Solution

The fourth proportional to 54,349.86, 74,968.29 and 39,264.69 is: 54,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.86 : 74,968.29 = 39,264.69 : x
  2. Step 2: Convert to fraction form
    54,349.86/74,968.29 = 39,264.69/x
  3. Step 3: Cross multiply
    54,349.86x = 74,968.29 × 39,264.69
  4. Step 4: Simplify right side
    54,349.86x = 2,943,606,666.68
  5. Step 5: Solve for x
    x = 2,943,606,666.68/54,349.86
  6. Step 6: Final answer
    x = 54,160.34

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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.