Home / 58,848.95-81,212.08-31,991.51

Finding the Fourth Proportional to 58,848.95, 81,212.08 and 31,991.51

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Solution

The fourth proportional to 58,848.95, 81,212.08 and 31,991.51 is: 44,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,848.95 : 81,212.08 = 31,991.51 : x
  2. Step 2: Convert to fraction form
    58,848.95/81,212.08 = 31,991.51/x
  3. Step 3: Cross multiply
    58,848.95x = 81,212.08 × 31,991.51
  4. Step 4: Simplify right side
    58,848.95x = 2,598,097,069.44
  5. Step 5: Solve for x
    x = 2,598,097,069.44/58,848.95
  6. Step 6: Final answer
    x = 44,148.57

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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.