Home / 74,880.70-103,358.24-46,209.12

Finding the Fourth Proportional to 74,880.70, 103,358.24 and 46,209.12

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Solution

The fourth proportional to 74,880.70, 103,358.24 and 46,209.12 is: 63,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880.70 : 103,358.24 = 46,209.12 : x
  2. Step 2: Convert to fraction form
    74,880.70/103,358.24 = 46,209.12/x
  3. Step 3: Cross multiply
    74,880.70x = 103,358.24 × 46,209.12
  4. Step 4: Simplify right side
    74,880.70x = 4,776,093,315.15
  5. Step 5: Solve for x
    x = 4,776,093,315.15/74,880.70
  6. Step 6: Final answer
    x = 63,782.70

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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.