Home / 53,156.76-73,430.94-50,357.40

Finding the Fourth Proportional to 53,156.76, 73,430.94 and 50,357.40

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Solution

The fourth proportional to 53,156.76, 73,430.94 and 50,357.40 is: 69,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156.76 : 73,430.94 = 50,357.40 : x
  2. Step 2: Convert to fraction form
    53,156.76/73,430.94 = 50,357.40/x
  3. Step 3: Cross multiply
    53,156.76x = 73,430.94 × 50,357.40
  4. Step 4: Simplify right side
    53,156.76x = 3,697,791,217.96
  5. Step 5: Solve for x
    x = 3,697,791,217.96/53,156.76
  6. Step 6: Final answer
    x = 69,563.89

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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.