Home / 56,811.47-85,206.26-19,368.20

Finding the Fourth Proportional to 56,811.47, 85,206.26 and 19,368.20

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Solution

The fourth proportional to 56,811.47, 85,206.26 and 19,368.20 is: 29,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.47 : 85,206.26 = 19,368.20 : x
  2. Step 2: Convert to fraction form
    56,811.47/85,206.26 = 19,368.20/x
  3. Step 3: Cross multiply
    56,811.47x = 85,206.26 × 19,368.20
  4. Step 4: Simplify right side
    56,811.47x = 1,650,291,362.06
  5. Step 5: Solve for x
    x = 1,650,291,362.06/56,811.47
  6. Step 6: Final answer
    x = 29,048.56

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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.