Home / 53,551.48-73,909.74-51,189.16

Finding the Fourth Proportional to 53,551.48, 73,909.74 and 51,189.16

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Solution

The fourth proportional to 53,551.48, 73,909.74 and 51,189.16 is: 70,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,551.48 : 73,909.74 = 51,189.16 : x
  2. Step 2: Convert to fraction form
    53,551.48/73,909.74 = 51,189.16/x
  3. Step 3: Cross multiply
    53,551.48x = 73,909.74 × 51,189.16
  4. Step 4: Simplify right side
    53,551.48x = 3,783,377,506.42
  5. Step 5: Solve for x
    x = 3,783,377,506.42/53,551.48
  6. Step 6: Final answer
    x = 70,649.35

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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.