Home / 76,554.97-105,650.63-42,571.05

Finding the Fourth Proportional to 76,554.97, 105,650.63 and 42,571.05

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Solution

The fourth proportional to 76,554.97, 105,650.63 and 42,571.05 is: 58,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554.97 : 105,650.63 = 42,571.05 : x
  2. Step 2: Convert to fraction form
    76,554.97/105,650.63 = 42,571.05/x
  3. Step 3: Cross multiply
    76,554.97x = 105,650.63 × 42,571.05
  4. Step 4: Simplify right side
    76,554.97x = 4,497,657,802.86
  5. Step 5: Solve for x
    x = 4,497,657,802.86/76,554.97
  6. Step 6: Final answer
    x = 58,750.70

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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.