Home / 70,517.10-97,307.40-40,296.42

Finding the Fourth Proportional to 70,517.10, 97,307.40 and 40,296.42

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Solution

The fourth proportional to 70,517.10, 97,307.40 and 40,296.42 is: 55,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,517.10 : 97,307.40 = 40,296.42 : x
  2. Step 2: Convert to fraction form
    70,517.10/97,307.40 = 40,296.42/x
  3. Step 3: Cross multiply
    70,517.10x = 97,307.40 × 40,296.42
  4. Step 4: Simplify right side
    70,517.10x = 3,921,139,859.51
  5. Step 5: Solve for x
    x = 3,921,139,859.51/70,517.10
  6. Step 6: Final answer
    x = 55,605.52

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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.