Home / 74,703.48-112,054.74-30,329.79

Finding the Fourth Proportional to 74,703.48, 112,054.74 and 30,329.79

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Solution

The fourth proportional to 74,703.48, 112,054.74 and 30,329.79 is: 45,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,703.48 : 112,054.74 = 30,329.79 : x
  2. Step 2: Convert to fraction form
    74,703.48/112,054.74 = 30,329.79/x
  3. Step 3: Cross multiply
    74,703.48x = 112,054.74 × 30,329.79
  4. Step 4: Simplify right side
    74,703.48x = 3,398,596,732.70
  5. Step 5: Solve for x
    x = 3,398,596,732.70/74,703.48
  6. Step 6: Final answer
    x = 45,494.49

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1.5x scale

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.