Home / 58,420.83-87,631.25-14,047.59

Finding the Fourth Proportional to 58,420.83, 87,631.25 and 14,047.59

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Solution

The fourth proportional to 58,420.83, 87,631.25 and 14,047.59 is: 21,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420.83 : 87,631.25 = 14,047.59 : x
  2. Step 2: Convert to fraction form
    58,420.83/87,631.25 = 14,047.59/x
  3. Step 3: Cross multiply
    58,420.83x = 87,631.25 × 14,047.59
  4. Step 4: Simplify right side
    58,420.83x = 1,231,007,871.19
  5. Step 5: Solve for x
    x = 1,231,007,871.19/58,420.83
  6. Step 6: Final answer
    x = 21,071.39

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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.