Home / 77,603.29-107,095.36-43,612.45

Finding the Fourth Proportional to 77,603.29, 107,095.36 and 43,612.45

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Solution

The fourth proportional to 77,603.29, 107,095.36 and 43,612.45 is: 60,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,603.29 : 107,095.36 = 43,612.45 : x
  2. Step 2: Convert to fraction form
    77,603.29/107,095.36 = 43,612.45/x
  3. Step 3: Cross multiply
    77,603.29x = 107,095.36 × 43,612.45
  4. Step 4: Simplify right side
    77,603.29x = 4,670,691,033.23
  5. Step 5: Solve for x
    x = 4,670,691,033.23/77,603.29
  6. Step 6: Final answer
    x = 60,186.77

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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.