Home / 61,628.36-92,456.37-19,510.95

Finding the Fourth Proportional to 61,628.36, 92,456.37 and 19,510.95

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Solution

The fourth proportional to 61,628.36, 92,456.37 and 19,510.95 is: 29,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.36 : 92,456.37 = 19,510.95 : x
  2. Step 2: Convert to fraction form
    61,628.36/92,456.37 = 19,510.95/x
  3. Step 3: Cross multiply
    61,628.36x = 92,456.37 × 19,510.95
  4. Step 4: Simplify right side
    61,628.36x = 1,803,911,612.25
  5. Step 5: Solve for x
    x = 1,803,911,612.25/61,628.36
  6. Step 6: Final answer
    x = 29,270.81

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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.