Home / 54,187.69-74,612.86-47,435.53

Finding the Fourth Proportional to 54,187.69, 74,612.86 and 47,435.53

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Solution

The fourth proportional to 54,187.69, 74,612.86 and 47,435.53 is: 65,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.69 : 74,612.86 = 47,435.53 : x
  2. Step 2: Convert to fraction form
    54,187.69/74,612.86 = 47,435.53/x
  3. Step 3: Cross multiply
    54,187.69x = 74,612.86 × 47,435.53
  4. Step 4: Simplify right side
    54,187.69x = 3,539,300,558.92
  5. Step 5: Solve for x
    x = 3,539,300,558.92/54,187.69
  6. Step 6: Final answer
    x = 65,315.58

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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.