Home / 77,906.08-107,510.88-59,010.40

Finding the Fourth Proportional to 77,906.08, 107,510.88 and 59,010.40

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Solution

The fourth proportional to 77,906.08, 107,510.88 and 59,010.40 is: 81,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,906.08 : 107,510.88 = 59,010.40 : x
  2. Step 2: Convert to fraction form
    77,906.08/107,510.88 = 59,010.40/x
  3. Step 3: Cross multiply
    77,906.08x = 107,510.88 × 59,010.40
  4. Step 4: Simplify right side
    77,906.08x = 6,344,260,033.15
  5. Step 5: Solve for x
    x = 6,344,260,033.15/77,906.08
  6. Step 6: Final answer
    x = 81,434.72

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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.