Home / 54,730.15-75,526.90-30,864.51

Finding the Fourth Proportional to 54,730.15, 75,526.90 and 30,864.51

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Solution

The fourth proportional to 54,730.15, 75,526.90 and 30,864.51 is: 42,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,730.15 : 75,526.90 = 30,864.51 : x
  2. Step 2: Convert to fraction form
    54,730.15/75,526.90 = 30,864.51/x
  3. Step 3: Cross multiply
    54,730.15x = 75,526.90 × 30,864.51
  4. Step 4: Simplify right side
    54,730.15x = 2,331,100,683.16
  5. Step 5: Solve for x
    x = 2,331,100,683.16/54,730.15
  6. Step 6: Final answer
    x = 42,592.63

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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.