Home / 64,501.20-96,751.80-57,612.15

Finding the Fourth Proportional to 64,501.20, 96,751.80 and 57,612.15

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Solution

The fourth proportional to 64,501.20, 96,751.80 and 57,612.15 is: 86,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,501.20 : 96,751.80 = 57,612.15 : x
  2. Step 2: Convert to fraction form
    64,501.20/96,751.80 = 57,612.15/x
  3. Step 3: Cross multiply
    64,501.20x = 96,751.80 × 57,612.15
  4. Step 4: Simplify right side
    64,501.20x = 5,574,079,214.37
  5. Step 5: Solve for x
    x = 5,574,079,214.37/64,501.20
  6. Step 6: Final answer
    x = 86,418.23

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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.