Home / 53,670.72-74,074.08-51,308.16

Finding the Fourth Proportional to 53,670.72, 74,074.08 and 51,308.16

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Solution

The fourth proportional to 53,670.72, 74,074.08 and 51,308.16 is: 70,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.72 : 74,074.08 = 51,308.16 : x
  2. Step 2: Convert to fraction form
    53,670.72/74,074.08 = 51,308.16/x
  3. Step 3: Cross multiply
    53,670.72x = 74,074.08 × 51,308.16
  4. Step 4: Simplify right side
    53,670.72x = 3,800,604,748.49
  5. Step 5: Solve for x
    x = 3,800,604,748.49/53,670.72
  6. Step 6: Final answer
    x = 70,813.37

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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.