Home / 53,749.96-74,005.54-48,767.70

Finding the Fourth Proportional to 53,749.96, 74,005.54 and 48,767.70

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Solution

The fourth proportional to 53,749.96, 74,005.54 and 48,767.70 is: 67,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,749.96 : 74,005.54 = 48,767.70 : x
  2. Step 2: Convert to fraction form
    53,749.96/74,005.54 = 48,767.70/x
  3. Step 3: Cross multiply
    53,749.96x = 74,005.54 × 48,767.70
  4. Step 4: Simplify right side
    53,749.96x = 3,609,079,973.06
  5. Step 5: Solve for x
    x = 3,609,079,973.06/53,749.96
  6. Step 6: Final answer
    x = 67,145.72

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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.