Home / 54,889.12-75,748.71-31,017.34

Finding the Fourth Proportional to 54,889.12, 75,748.71 and 31,017.34

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Solution

The fourth proportional to 54,889.12, 75,748.71 and 31,017.34 is: 42,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.12 : 75,748.71 = 31,017.34 : x
  2. Step 2: Convert to fraction form
    54,889.12/75,748.71 = 31,017.34/x
  3. Step 3: Cross multiply
    54,889.12x = 75,748.71 × 31,017.34
  4. Step 4: Simplify right side
    54,889.12x = 2,349,523,492.63
  5. Step 5: Solve for x
    x = 2,349,523,492.63/54,889.12
  6. Step 6: Final answer
    x = 42,804.90

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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.