Home / 84,804.90-127,235.00-42,663.24

Finding the Fourth Proportional to 84,804.90, 127,235.00 and 42,663.24

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Solution

The fourth proportional to 84,804.90, 127,235.00 and 42,663.24 is: 64,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804.90 : 127,235.00 = 42,663.24 : x
  2. Step 2: Convert to fraction form
    84,804.90/127,235.00 = 42,663.24/x
  3. Step 3: Cross multiply
    84,804.90x = 127,235.00 × 42,663.24
  4. Step 4: Simplify right side
    84,804.90x = 5,428,257,128.08
  5. Step 5: Solve for x
    x = 5,428,257,128.08/84,804.90
  6. Step 6: Final answer
    x = 64,008.77

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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.