Home / 54,656.91-75,426.80-30,784.01

Finding the Fourth Proportional to 54,656.91, 75,426.80 and 30,784.01

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Solution

The fourth proportional to 54,656.91, 75,426.80 and 30,784.01 is: 42,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.91 : 75,426.80 = 30,784.01 : x
  2. Step 2: Convert to fraction form
    54,656.91/75,426.80 = 30,784.01/x
  3. Step 3: Cross multiply
    54,656.91x = 75,426.80 × 30,784.01
  4. Step 4: Simplify right side
    54,656.91x = 2,321,938,834.41
  5. Step 5: Solve for x
    x = 2,321,938,834.41/54,656.91
  6. Step 6: Final answer
    x = 42,482.07

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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.