Home / 64,756.38-97,109.01-31,466.60

Finding the Fourth Proportional to 64,756.38, 97,109.01 and 31,466.60

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Solution

The fourth proportional to 64,756.38, 97,109.01 and 31,466.60 is: 47,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.38 : 97,109.01 = 31,466.60 : x
  2. Step 2: Convert to fraction form
    64,756.38/97,109.01 = 31,466.60/x
  3. Step 3: Cross multiply
    64,756.38x = 97,109.01 × 31,466.60
  4. Step 4: Simplify right side
    64,756.38x = 3,055,689,888.52
  5. Step 5: Solve for x
    x = 3,055,689,888.52/64,756.38
  6. Step 6: Final answer
    x = 47,187.47

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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.