Home / 70,528.10-97,322.49-40,307.42

Finding the Fourth Proportional to 70,528.10, 97,322.49 and 40,307.42

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Solution

The fourth proportional to 70,528.10, 97,322.49 and 40,307.42 is: 55,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528.10 : 97,322.49 = 40,307.42 : x
  2. Step 2: Convert to fraction form
    70,528.10/97,322.49 = 40,307.42/x
  3. Step 3: Cross multiply
    70,528.10x = 97,322.49 × 40,307.42
  4. Step 4: Simplify right side
    70,528.10x = 3,922,818,479.88
  5. Step 5: Solve for x
    x = 3,922,818,479.88/70,528.10
  6. Step 6: Final answer
    x = 55,620.65

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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.