Home / 70,564.14-97,380.36-40,354.38

Finding the Fourth Proportional to 70,564.14, 97,380.36 and 40,354.38

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Solution

The fourth proportional to 70,564.14, 97,380.36 and 40,354.38 is: 55,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,564.14 : 97,380.36 = 40,354.38 : x
  2. Step 2: Convert to fraction form
    70,564.14/97,380.36 = 40,354.38/x
  3. Step 3: Cross multiply
    70,564.14x = 97,380.36 × 40,354.38
  4. Step 4: Simplify right side
    70,564.14x = 3,929,724,051.98
  5. Step 5: Solve for x
    x = 3,929,724,051.98/70,564.14
  6. Step 6: Final answer
    x = 55,690.10

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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.