Home / 64,718.22-89,338.70-43,509.79

Finding the Fourth Proportional to 64,718.22, 89,338.70 and 43,509.79

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Solution

The fourth proportional to 64,718.22, 89,338.70 and 43,509.79 is: 60,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.22 : 89,338.70 = 43,509.79 : x
  2. Step 2: Convert to fraction form
    64,718.22/89,338.70 = 43,509.79/x
  3. Step 3: Cross multiply
    64,718.22x = 89,338.70 × 43,509.79
  4. Step 4: Simplify right side
    64,718.22x = 3,887,108,075.87
  5. Step 5: Solve for x
    x = 3,887,108,075.87/64,718.22
  6. Step 6: Final answer
    x = 60,062.04

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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.