Home / 70,303.56-97,020.59-40,091.78

Finding the Fourth Proportional to 70,303.56, 97,020.59 and 40,091.78

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Solution

The fourth proportional to 70,303.56, 97,020.59 and 40,091.78 is: 55,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.56 : 97,020.59 = 40,091.78 : x
  2. Step 2: Convert to fraction form
    70,303.56/97,020.59 = 40,091.78/x
  3. Step 3: Cross multiply
    70,303.56x = 97,020.59 × 40,091.78
  4. Step 4: Simplify right side
    70,303.56x = 3,889,727,464.19
  5. Step 5: Solve for x
    x = 3,889,727,464.19/70,303.56
  6. Step 6: Final answer
    x = 55,327.60

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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.