Home / 53,607.74-74,028.48-34,520.64

Finding the Fourth Proportional to 53,607.74, 74,028.48 and 34,520.64

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Solution

The fourth proportional to 53,607.74, 74,028.48 and 34,520.64 is: 47,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.74 : 74,028.48 = 34,520.64 : x
  2. Step 2: Convert to fraction form
    53,607.74/74,028.48 = 34,520.64/x
  3. Step 3: Cross multiply
    53,607.74x = 74,028.48 × 34,520.64
  4. Step 4: Simplify right side
    53,607.74x = 2,555,510,507.83
  5. Step 5: Solve for x
    x = 2,555,510,507.83/53,607.74
  6. Step 6: Final answer
    x = 47,670.55

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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.