Home / 70,783.04-97,684.16-40,571.84

Finding the Fourth Proportional to 70,783.04, 97,684.16 and 40,571.84

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Solution

The fourth proportional to 70,783.04, 97,684.16 and 40,571.84 is: 55,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,783.04 : 97,684.16 = 40,571.84 : x
  2. Step 2: Convert to fraction form
    70,783.04/97,684.16 = 40,571.84/x
  3. Step 3: Cross multiply
    70,783.04x = 97,684.16 × 40,571.84
  4. Step 4: Simplify right side
    70,783.04x = 3,963,226,110.05
  5. Step 5: Solve for x
    x = 3,963,226,110.05/70,783.04
  6. Step 6: Final answer
    x = 55,991.18

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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.