Home / 64,192.08-88,609.36-57,465.62

Finding the Fourth Proportional to 64,192.08, 88,609.36 and 57,465.62

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Solution

The fourth proportional to 64,192.08, 88,609.36 and 57,465.62 is: 79,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,192.08 : 88,609.36 = 57,465.62 : x
  2. Step 2: Convert to fraction form
    64,192.08/88,609.36 = 57,465.62/x
  3. Step 3: Cross multiply
    64,192.08x = 88,609.36 × 57,465.62
  4. Step 4: Simplify right side
    64,192.08x = 5,091,991,810.20
  5. Step 5: Solve for x
    x = 5,091,991,810.20/64,192.08
  6. Step 6: Final answer
    x = 79,324.30

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1.5x scale

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.