Home / 77,077.62-106,364.87-43,086.18

Finding the Fourth Proportional to 77,077.62, 106,364.87 and 43,086.18

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Solution

The fourth proportional to 77,077.62, 106,364.87 and 43,086.18 is: 59,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,077.62 : 106,364.87 = 43,086.18 : x
  2. Step 2: Convert to fraction form
    77,077.62/106,364.87 = 43,086.18/x
  3. Step 3: Cross multiply
    77,077.62x = 106,364.87 × 43,086.18
  4. Step 4: Simplify right side
    77,077.62x = 4,582,855,934.50
  5. Step 5: Solve for x
    x = 4,582,855,934.50/77,077.62
  6. Step 6: Final answer
    x = 59,457.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.