Home / 55,335.84-76,355.75-31,459.87

Finding the Fourth Proportional to 55,335.84, 76,355.75 and 31,459.87

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Solution

The fourth proportional to 55,335.84, 76,355.75 and 31,459.87 is: 43,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.84 : 76,355.75 = 31,459.87 : x
  2. Step 2: Convert to fraction form
    55,335.84/76,355.75 = 31,459.87/x
  3. Step 3: Cross multiply
    55,335.84x = 76,355.75 × 31,459.87
  4. Step 4: Simplify right side
    55,335.84x = 2,402,141,968.75
  5. Step 5: Solve for x
    x = 2,402,141,968.75/55,335.84
  6. Step 6: Final answer
    x = 43,410.24

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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.