Home / 61,628.28-92,368.12-28,302.36

Finding the Fourth Proportional to 61,628.28, 92,368.12 and 28,302.36

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Solution

The fourth proportional to 61,628.28, 92,368.12 and 28,302.36 is: 42,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.28 : 92,368.12 = 28,302.36 : x
  2. Step 2: Convert to fraction form
    61,628.28/92,368.12 = 28,302.36/x
  3. Step 3: Cross multiply
    61,628.28x = 92,368.12 × 28,302.36
  4. Step 4: Simplify right side
    61,628.28x = 2,614,235,784.76
  5. Step 5: Solve for x
    x = 2,614,235,784.76/61,628.28
  6. Step 6: Final answer
    x = 42,419.42

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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.