Home / 77,085.49-106,378.76-43,095.86

Finding the Fourth Proportional to 77,085.49, 106,378.76 and 43,095.86

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Solution

The fourth proportional to 77,085.49, 106,378.76 and 43,095.86 is: 59,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,085.49 : 106,378.76 = 43,095.86 : x
  2. Step 2: Convert to fraction form
    77,085.49/106,378.76 = 43,095.86/x
  3. Step 3: Cross multiply
    77,085.49x = 106,378.76 × 43,095.86
  4. Step 4: Simplify right side
    77,085.49x = 4,584,484,147.93
  5. Step 5: Solve for x
    x = 4,584,484,147.93/77,085.49
  6. Step 6: Final answer
    x = 59,472.73

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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.