Home / 70,337.62-97,075.16-40,116.02

Finding the Fourth Proportional to 70,337.62, 97,075.16 and 40,116.02

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Solution

The fourth proportional to 70,337.62, 97,075.16 and 40,116.02 is: 55,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,337.62 : 97,075.16 = 40,116.02 : x
  2. Step 2: Convert to fraction form
    70,337.62/97,075.16 = 40,116.02/x
  3. Step 3: Cross multiply
    70,337.62x = 97,075.16 × 40,116.02
  4. Step 4: Simplify right side
    70,337.62x = 3,894,268,474.40
  5. Step 5: Solve for x
    x = 3,894,268,474.40/70,337.62
  6. Step 6: Final answer
    x = 55,365.37

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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.