Home / 53,127.91-79,673.28-15,678.01

Finding the Fourth Proportional to 53,127.91, 79,673.28 and 15,678.01

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Solution

The fourth proportional to 53,127.91, 79,673.28 and 15,678.01 is: 23,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,127.91 : 79,673.28 = 15,678.01 : x
  2. Step 2: Convert to fraction form
    53,127.91/79,673.28 = 15,678.01/x
  3. Step 3: Cross multiply
    53,127.91x = 79,673.28 × 15,678.01
  4. Step 4: Simplify right side
    53,127.91x = 1,249,118,480.57
  5. Step 5: Solve for x
    x = 1,249,118,480.57/53,127.91
  6. Step 6: Final answer
    x = 23,511.53

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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.