Home / 94,605.21-130,564.41-70,690.35

Finding the Fourth Proportional to 94,605.21, 130,564.41 and 70,690.35

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Solution

The fourth proportional to 94,605.21, 130,564.41 and 70,690.35 is: 97,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,605.21 : 130,564.41 = 70,690.35 : x
  2. Step 2: Convert to fraction form
    94,605.21/130,564.41 = 70,690.35/x
  3. Step 3: Cross multiply
    94,605.21x = 130,564.41 × 70,690.35
  4. Step 4: Simplify right side
    94,605.21x = 9,229,643,840.44
  5. Step 5: Solve for x
    x = 9,229,643,840.44/94,605.21
  6. Step 6: Final answer
    x = 97,559.57

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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.