Home / 53,477.20-73,606.08-50,415.40

Finding the Fourth Proportional to 53,477.20, 73,606.08 and 50,415.40

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Solution

The fourth proportional to 53,477.20, 73,606.08 and 50,415.40 is: 69,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.20 : 73,606.08 = 50,415.40 : x
  2. Step 2: Convert to fraction form
    53,477.20/73,606.08 = 50,415.40/x
  3. Step 3: Cross multiply
    53,477.20x = 73,606.08 × 50,415.40
  4. Step 4: Simplify right side
    53,477.20x = 3,710,879,965.63
  5. Step 5: Solve for x
    x = 3,710,879,965.63/53,477.20
  6. Step 6: Final answer
    x = 69,391.81

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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.