Home / 53,376.63-80,420.70-48,316.92

Finding the Fourth Proportional to 53,376.63, 80,420.70 and 48,316.92

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Solution

The fourth proportional to 53,376.63, 80,420.70 and 48,316.92 is: 72,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.63 : 80,420.70 = 48,316.92 : x
  2. Step 2: Convert to fraction form
    53,376.63/80,420.70 = 48,316.92/x
  3. Step 3: Cross multiply
    53,376.63x = 80,420.70 × 48,316.92
  4. Step 4: Simplify right side
    53,376.63x = 3,885,680,407.45
  5. Step 5: Solve for x
    x = 3,885,680,407.45/53,376.63
  6. Step 6: Final answer
    x = 72,797.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.