Home / 85,302.45-127,970.07-32,707.83

Finding the Fourth Proportional to 85,302.45, 127,970.07 and 32,707.83

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Solution

The fourth proportional to 85,302.45, 127,970.07 and 32,707.83 is: 49,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,302.45 : 127,970.07 = 32,707.83 : x
  2. Step 2: Convert to fraction form
    85,302.45/127,970.07 = 32,707.83/x
  3. Step 3: Cross multiply
    85,302.45x = 127,970.07 × 32,707.83
  4. Step 4: Simplify right side
    85,302.45x = 4,185,623,294.65
  5. Step 5: Solve for x
    x = 4,185,623,294.65/85,302.45
  6. Step 6: Final answer
    x = 49,068.03

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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.