Home / 70,784.04-97,685.54-40,572.84

Finding the Fourth Proportional to 70,784.04, 97,685.54 and 40,572.84

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Solution

The fourth proportional to 70,784.04, 97,685.54 and 40,572.84 is: 55,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.04 : 97,685.54 = 40,572.84 : x
  2. Step 2: Convert to fraction form
    70,784.04/97,685.54 = 40,572.84/x
  3. Step 3: Cross multiply
    70,784.04x = 97,685.54 × 40,572.84
  4. Step 4: Simplify right side
    70,784.04x = 3,963,379,784.73
  5. Step 5: Solve for x
    x = 3,963,379,784.73/70,784.04
  6. Step 6: Final answer
    x = 55,992.56

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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.