Home / 77,156.42-106,512.26-58,043.47

Finding the Fourth Proportional to 77,156.42, 106,512.26 and 58,043.47

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Solution

The fourth proportional to 77,156.42, 106,512.26 and 58,043.47 is: 80,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,156.42 : 106,512.26 = 58,043.47 : x
  2. Step 2: Convert to fraction form
    77,156.42/106,512.26 = 58,043.47/x
  3. Step 3: Cross multiply
    77,156.42x = 106,512.26 × 58,043.47
  4. Step 4: Simplify right side
    77,156.42x = 6,182,341,339.34
  5. Step 5: Solve for x
    x = 6,182,341,339.34/77,156.42
  6. Step 6: Final answer
    x = 80,127.37

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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.