Home / 86,389.04-129,574.81-23,200.95

Finding the Fourth Proportional to 86,389.04, 129,574.81 and 23,200.95

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Solution

The fourth proportional to 86,389.04, 129,574.81 and 23,200.95 is: 34,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.04 : 129,574.81 = 23,200.95 : x
  2. Step 2: Convert to fraction form
    86,389.04/129,574.81 = 23,200.95/x
  3. Step 3: Cross multiply
    86,389.04x = 129,574.81 × 23,200.95
  4. Step 4: Simplify right side
    86,389.04x = 3,006,259,072.47
  5. Step 5: Solve for x
    x = 3,006,259,072.47/86,389.04
  6. Step 6: Final answer
    x = 34,799.08

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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.