Home / 76,740.26-105,906.42-46,528.47

Finding the Fourth Proportional to 76,740.26, 105,906.42 and 46,528.47

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Solution

The fourth proportional to 76,740.26, 105,906.42 and 46,528.47 is: 64,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,740.26 : 105,906.42 = 46,528.47 : x
  2. Step 2: Convert to fraction form
    76,740.26/105,906.42 = 46,528.47/x
  3. Step 3: Cross multiply
    76,740.26x = 105,906.42 × 46,528.47
  4. Step 4: Simplify right side
    76,740.26x = 4,927,663,685.78
  5. Step 5: Solve for x
    x = 4,927,663,685.78/76,740.26
  6. Step 6: Final answer
    x = 64,212.24

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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.