Home / 74,708.42-103,108.59-49,210.70

Finding the Fourth Proportional to 74,708.42, 103,108.59 and 49,210.70

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Solution

The fourth proportional to 74,708.42, 103,108.59 and 49,210.70 is: 67,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708.42 : 103,108.59 = 49,210.70 : x
  2. Step 2: Convert to fraction form
    74,708.42/103,108.59 = 49,210.70/x
  3. Step 3: Cross multiply
    74,708.42x = 103,108.59 × 49,210.70
  4. Step 4: Simplify right side
    74,708.42x = 5,074,045,374.37
  5. Step 5: Solve for x
    x = 5,074,045,374.37/74,708.42
  6. Step 6: Final answer
    x = 67,917.99

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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.