Home / 54,886.94-75,748.43-31,018.57

Finding the Fourth Proportional to 54,886.94, 75,748.43 and 31,018.57

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Solution

The fourth proportional to 54,886.94, 75,748.43 and 31,018.57 is: 42,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.94 : 75,748.43 = 31,018.57 : x
  2. Step 2: Convert to fraction form
    54,886.94/75,748.43 = 31,018.57/x
  3. Step 3: Cross multiply
    54,886.94x = 75,748.43 × 31,018.57
  4. Step 4: Simplify right side
    54,886.94x = 2,349,607,444.51
  5. Step 5: Solve for x
    x = 2,349,607,444.51/54,886.94
  6. Step 6: Final answer
    x = 42,808.13

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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.