Home / 86,715.95-130,073.94-24,386.45

Finding the Fourth Proportional to 86,715.95, 130,073.94 and 24,386.45

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Solution

The fourth proportional to 86,715.95, 130,073.94 and 24,386.45 is: 36,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715.95 : 130,073.94 = 24,386.45 : x
  2. Step 2: Convert to fraction form
    86,715.95/130,073.94 = 24,386.45/x
  3. Step 3: Cross multiply
    86,715.95x = 130,073.94 × 24,386.45
  4. Step 4: Simplify right side
    86,715.95x = 3,172,040,983.74
  5. Step 5: Solve for x
    x = 3,172,040,983.74/86,715.95
  6. Step 6: Final answer
    x = 36,579.67

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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.