Home / 85,129.23-127,561.41-32,510.01

Finding the Fourth Proportional to 85,129.23, 127,561.41 and 32,510.01

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Solution

The fourth proportional to 85,129.23, 127,561.41 and 32,510.01 is: 48,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,129.23 : 127,561.41 = 32,510.01 : x
  2. Step 2: Convert to fraction form
    85,129.23/127,561.41 = 32,510.01/x
  3. Step 3: Cross multiply
    85,129.23x = 127,561.41 × 32,510.01
  4. Step 4: Simplify right side
    85,129.23x = 4,147,022,714.71
  5. Step 5: Solve for x
    x = 4,147,022,714.71/85,129.23
  6. Step 6: Final answer
    x = 48,714.44

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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.