Home / 76,729.47-105,891.99-46,516.07

Finding the Fourth Proportional to 76,729.47, 105,891.99 and 46,516.07

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Solution

The fourth proportional to 76,729.47, 105,891.99 and 46,516.07 is: 64,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,729.47 : 105,891.99 = 46,516.07 : x
  2. Step 2: Convert to fraction form
    76,729.47/105,891.99 = 46,516.07/x
  3. Step 3: Cross multiply
    76,729.47x = 105,891.99 × 46,516.07
  4. Step 4: Simplify right side
    76,729.47x = 4,925,678,689.82
  5. Step 5: Solve for x
    x = 4,925,678,689.82/76,729.47
  6. Step 6: Final answer
    x = 64,195.40

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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.