Home / 55,140.51-82,577.52-31,376.05

Finding the Fourth Proportional to 55,140.51, 82,577.52 and 31,376.05

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Solution

The fourth proportional to 55,140.51, 82,577.52 and 31,376.05 is: 46,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.51 : 82,577.52 = 31,376.05 : x
  2. Step 2: Convert to fraction form
    55,140.51/82,577.52 = 31,376.05/x
  3. Step 3: Cross multiply
    55,140.51x = 82,577.52 × 31,376.05
  4. Step 4: Simplify right side
    55,140.51x = 2,590,956,189.95
  5. Step 5: Solve for x
    x = 2,590,956,189.95/55,140.51
  6. Step 6: Final answer
    x = 46,988.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.