Home / 86,981.41-130,475.55-41,378.14

Finding the Fourth Proportional to 86,981.41, 130,475.55 and 41,378.14

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Solution

The fourth proportional to 86,981.41, 130,475.55 and 41,378.14 is: 62,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,981.41 : 130,475.55 = 41,378.14 : x
  2. Step 2: Convert to fraction form
    86,981.41/130,475.55 = 41,378.14/x
  3. Step 3: Cross multiply
    86,981.41x = 130,475.55 × 41,378.14
  4. Step 4: Simplify right side
    86,981.41x = 5,398,835,574.48
  5. Step 5: Solve for x
    x = 5,398,835,574.48/86,981.41
  6. Step 6: Final answer
    x = 62,068.84

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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.