Home / 86,866.07-130,300.47-34,275.09

Finding the Fourth Proportional to 86,866.07, 130,300.47 and 34,275.09

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Solution

The fourth proportional to 86,866.07, 130,300.47 and 34,275.09 is: 51,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,866.07 : 130,300.47 = 34,275.09 : x
  2. Step 2: Convert to fraction form
    86,866.07/130,300.47 = 34,275.09/x
  3. Step 3: Cross multiply
    86,866.07x = 130,300.47 × 34,275.09
  4. Step 4: Simplify right side
    86,866.07x = 4,466,060,824.92
  5. Step 5: Solve for x
    x = 4,466,060,824.92/86,866.07
  6. Step 6: Final answer
    x = 51,413.18

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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.