Home / 55,653.86-76,802.64-30,503.36

Finding the Fourth Proportional to 55,653.86, 76,802.64 and 30,503.36

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Solution

The fourth proportional to 55,653.86, 76,802.64 and 30,503.36 is: 42,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.86 : 76,802.64 = 30,503.36 : x
  2. Step 2: Convert to fraction form
    55,653.86/76,802.64 = 30,503.36/x
  3. Step 3: Cross multiply
    55,653.86x = 76,802.64 × 30,503.36
  4. Step 4: Simplify right side
    55,653.86x = 2,342,738,576.87
  5. Step 5: Solve for x
    x = 2,342,738,576.87/55,653.86
  6. Step 6: Final answer
    x = 42,094.81

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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.