Home / 84,289.51-126,462.29-56,130.52

Finding the Fourth Proportional to 84,289.51, 126,462.29 and 56,130.52

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Solution

The fourth proportional to 84,289.51, 126,462.29 and 56,130.52 is: 84,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,289.51 : 126,462.29 = 56,130.52 : x
  2. Step 2: Convert to fraction form
    84,289.51/126,462.29 = 56,130.52/x
  3. Step 3: Cross multiply
    84,289.51x = 126,462.29 × 56,130.52
  4. Step 4: Simplify right side
    84,289.51x = 7,098,393,896.27
  5. Step 5: Solve for x
    x = 7,098,393,896.27/84,289.51
  6. Step 6: Final answer
    x = 84,214.44

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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.