Home / 77,746.88-107,342.34-59,810.24

Finding the Fourth Proportional to 77,746.88, 107,342.34 and 59,810.24

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Solution

The fourth proportional to 77,746.88, 107,342.34 and 59,810.24 is: 82,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746.88 : 107,342.34 = 59,810.24 : x
  2. Step 2: Convert to fraction form
    77,746.88/107,342.34 = 59,810.24/x
  3. Step 3: Cross multiply
    77,746.88x = 107,342.34 × 59,810.24
  4. Step 4: Simplify right side
    77,746.88x = 6,420,171,117.56
  5. Step 5: Solve for x
    x = 6,420,171,117.56/77,746.88
  6. Step 6: Final answer
    x = 82,577.86

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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.