Home / 77,256.36-106,588.80-43,259.76

Finding the Fourth Proportional to 77,256.36, 106,588.80 and 43,259.76

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Solution

The fourth proportional to 77,256.36, 106,588.80 and 43,259.76 is: 59,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.36 : 106,588.80 = 43,259.76 : x
  2. Step 2: Convert to fraction form
    77,256.36/106,588.80 = 43,259.76/x
  3. Step 3: Cross multiply
    77,256.36x = 106,588.80 × 43,259.76
  4. Step 4: Simplify right side
    77,256.36x = 4,611,005,906.69
  5. Step 5: Solve for x
    x = 4,611,005,906.69/77,256.36
  6. Step 6: Final answer
    x = 59,684.48

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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.