Home / 58,905.89-81,289.23-32,047.78

Finding the Fourth Proportional to 58,905.89, 81,289.23 and 32,047.78

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Solution

The fourth proportional to 58,905.89, 81,289.23 and 32,047.78 is: 44,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.89 : 81,289.23 = 32,047.78 : x
  2. Step 2: Convert to fraction form
    58,905.89/81,289.23 = 32,047.78/x
  3. Step 3: Cross multiply
    58,905.89x = 81,289.23 × 32,047.78
  4. Step 4: Simplify right side
    58,905.89x = 2,605,139,279.29
  5. Step 5: Solve for x
    x = 2,605,139,279.29/58,905.89
  6. Step 6: Final answer
    x = 44,225.45

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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.