Home / 74,803.20-112,053.60-46,636.80

Finding the Fourth Proportional to 74,803.20, 112,053.60 and 46,636.80

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Solution

The fourth proportional to 74,803.20, 112,053.60 and 46,636.80 is: 69,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.20 : 112,053.60 = 46,636.80 : x
  2. Step 2: Convert to fraction form
    74,803.20/112,053.60 = 46,636.80/x
  3. Step 3: Cross multiply
    74,803.20x = 112,053.60 × 46,636.80
  4. Step 4: Simplify right side
    74,803.20x = 5,225,821,332.48
  5. Step 5: Solve for x
    x = 5,225,821,332.48/74,803.20
  6. Step 6: Final answer
    x = 69,860.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.