Home / 54,895.04-75,746.98-31,021.52

Finding the Fourth Proportional to 54,895.04, 75,746.98 and 31,021.52

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Solution

The fourth proportional to 54,895.04, 75,746.98 and 31,021.52 is: 42,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.04 : 75,746.98 = 31,021.52 : x
  2. Step 2: Convert to fraction form
    54,895.04/75,746.98 = 31,021.52/x
  3. Step 3: Cross multiply
    54,895.04x = 75,746.98 × 31,021.52
  4. Step 4: Simplify right side
    54,895.04x = 2,349,786,455.01
  5. Step 5: Solve for x
    x = 2,349,786,455.01/54,895.04
  6. Step 6: Final answer
    x = 42,805.08

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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.