Home / 47,174.08-65,127.11-31,280.02

Finding the Fourth Proportional to 47,174.08, 65,127.11 and 31,280.02

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Solution

The fourth proportional to 47,174.08, 65,127.11 and 31,280.02 is: 43,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.08 : 65,127.11 = 31,280.02 : x
  2. Step 2: Convert to fraction form
    47,174.08/65,127.11 = 31,280.02/x
  3. Step 3: Cross multiply
    47,174.08x = 65,127.11 × 31,280.02
  4. Step 4: Simplify right side
    47,174.08x = 2,037,177,303.34
  5. Step 5: Solve for x
    x = 2,037,177,303.34/47,174.08
  6. Step 6: Final answer
    x = 43,184.25

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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.