Home / 47,000.23-64,871.63-31,918.03

Finding the Fourth Proportional to 47,000.23, 64,871.63 and 31,918.03

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Solution

The fourth proportional to 47,000.23, 64,871.63 and 31,918.03 is: 44,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.23 : 64,871.63 = 31,918.03 : x
  2. Step 2: Convert to fraction form
    47,000.23/64,871.63 = 31,918.03/x
  3. Step 3: Cross multiply
    47,000.23x = 64,871.63 × 31,918.03
  4. Step 4: Simplify right side
    47,000.23x = 2,070,574,632.49
  5. Step 5: Solve for x
    x = 2,070,574,632.49/47,000.23
  6. Step 6: Final answer
    x = 44,054.56

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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.