Home / 77,646.72-107,153.58-43,653.32

Finding the Fourth Proportional to 77,646.72, 107,153.58 and 43,653.32

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Solution

The fourth proportional to 77,646.72, 107,153.58 and 43,653.32 is: 60,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,646.72 : 107,153.58 = 43,653.32 : x
  2. Step 2: Convert to fraction form
    77,646.72/107,153.58 = 43,653.32/x
  3. Step 3: Cross multiply
    77,646.72x = 107,153.58 × 43,653.32
  4. Step 4: Simplify right side
    77,646.72x = 4,677,609,516.89
  5. Step 5: Solve for x
    x = 4,677,609,516.89/77,646.72
  6. Step 6: Final answer
    x = 60,242.20

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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.