Home / 48,302.64-66,695.40-31,314.96

Finding the Fourth Proportional to 48,302.64, 66,695.40 and 31,314.96

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Solution

The fourth proportional to 48,302.64, 66,695.40 and 31,314.96 is: 43,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,302.64 : 66,695.40 = 31,314.96 : x
  2. Step 2: Convert to fraction form
    48,302.64/66,695.40 = 31,314.96/x
  3. Step 3: Cross multiply
    48,302.64x = 66,695.40 × 31,314.96
  4. Step 4: Simplify right side
    48,302.64x = 2,088,563,783.18
  5. Step 5: Solve for x
    x = 2,088,563,783.18/48,302.64
  6. Step 6: Final answer
    x = 43,239.12

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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.