Home / 86,176.95-129,322.83-41,806.98

Finding the Fourth Proportional to 86,176.95, 129,322.83 and 41,806.98

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Solution

The fourth proportional to 86,176.95, 129,322.83 and 41,806.98 is: 62,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,176.95 : 129,322.83 = 41,806.98 : x
  2. Step 2: Convert to fraction form
    86,176.95/129,322.83 = 41,806.98/x
  3. Step 3: Cross multiply
    86,176.95x = 129,322.83 × 41,806.98
  4. Step 4: Simplify right side
    86,176.95x = 5,406,596,967.35
  5. Step 5: Solve for x
    x = 5,406,596,967.35/86,176.95
  6. Step 6: Final answer
    x = 62,738.32

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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.