Home / 77,340.63-106,730.07-43,806.63

Finding the Fourth Proportional to 77,340.63, 106,730.07 and 43,806.63

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Solution

The fourth proportional to 77,340.63, 106,730.07 and 43,806.63 is: 60,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.63 : 106,730.07 = 43,806.63 : x
  2. Step 2: Convert to fraction form
    77,340.63/106,730.07 = 43,806.63/x
  3. Step 3: Cross multiply
    77,340.63x = 106,730.07 × 43,806.63
  4. Step 4: Simplify right side
    77,340.63x = 4,675,484,686.36
  5. Step 5: Solve for x
    x = 4,675,484,686.36/77,340.63
  6. Step 6: Final answer
    x = 60,453.15

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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.