Home / 86,461.56-129,582.99-46,381.14

Finding the Fourth Proportional to 86,461.56, 129,582.99 and 46,381.14

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Solution

The fourth proportional to 86,461.56, 129,582.99 and 46,381.14 is: 69,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,461.56 : 129,582.99 = 46,381.14 : x
  2. Step 2: Convert to fraction form
    86,461.56/129,582.99 = 46,381.14/x
  3. Step 3: Cross multiply
    86,461.56x = 129,582.99 × 46,381.14
  4. Step 4: Simplify right side
    86,461.56x = 6,010,206,800.81
  5. Step 5: Solve for x
    x = 6,010,206,800.81/86,461.56
  6. Step 6: Final answer
    x = 69,513.05

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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.