Home / 53,478.21-73,767.64-34,351.55

Finding the Fourth Proportional to 53,478.21, 73,767.64 and 34,351.55

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Solution

The fourth proportional to 53,478.21, 73,767.64 and 34,351.55 is: 47,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.21 : 73,767.64 = 34,351.55 : x
  2. Step 2: Convert to fraction form
    53,478.21/73,767.64 = 34,351.55/x
  3. Step 3: Cross multiply
    53,478.21x = 73,767.64 × 34,351.55
  4. Step 4: Simplify right side
    53,478.21x = 2,534,032,773.84
  5. Step 5: Solve for x
    x = 2,534,032,773.84/53,478.21
  6. Step 6: Final answer
    x = 47,384.40

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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.