Home / 53,122.08-79,664.40-15,672.16

Finding the Fourth Proportional to 53,122.08, 79,664.40 and 15,672.16

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Solution

The fourth proportional to 53,122.08, 79,664.40 and 15,672.16 is: 23,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.08 : 79,664.40 = 15,672.16 : x
  2. Step 2: Convert to fraction form
    53,122.08/79,664.40 = 15,672.16/x
  3. Step 3: Cross multiply
    53,122.08x = 79,664.40 × 15,672.16
  4. Step 4: Simplify right side
    53,122.08x = 1,248,513,223.10
  5. Step 5: Solve for x
    x = 1,248,513,223.10/53,122.08
  6. Step 6: Final answer
    x = 23,502.72

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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.