Home / 64,719.22-89,340.08-43,510.78

Finding the Fourth Proportional to 64,719.22, 89,340.08 and 43,510.78

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Solution

The fourth proportional to 64,719.22, 89,340.08 and 43,510.78 is: 60,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719.22 : 89,340.08 = 43,510.78 : x
  2. Step 2: Convert to fraction form
    64,719.22/89,340.08 = 43,510.78/x
  3. Step 3: Cross multiply
    64,719.22x = 89,340.08 × 43,510.78
  4. Step 4: Simplify right side
    64,719.22x = 3,887,256,566.06
  5. Step 5: Solve for x
    x = 3,887,256,566.06/64,719.22
  6. Step 6: Final answer
    x = 60,063.40

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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.