Home / 64,851.16-97,288.56-31,571.32

Finding the Fourth Proportional to 64,851.16, 97,288.56 and 31,571.32

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Solution

The fourth proportional to 64,851.16, 97,288.56 and 31,571.32 is: 47,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,851.16 : 97,288.56 = 31,571.32 : x
  2. Step 2: Convert to fraction form
    64,851.16/97,288.56 = 31,571.32/x
  3. Step 3: Cross multiply
    64,851.16x = 97,288.56 × 31,571.32
  4. Step 4: Simplify right side
    64,851.16x = 3,071,528,260.10
  5. Step 5: Solve for x
    x = 3,071,528,260.10/64,851.16
  6. Step 6: Final answer
    x = 47,362.73

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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.