Home / 70,321.32-97,019.28-40,084.83

Finding the Fourth Proportional to 70,321.32, 97,019.28 and 40,084.83

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Solution

The fourth proportional to 70,321.32, 97,019.28 and 40,084.83 is: 55,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.32 : 97,019.28 = 40,084.83 : x
  2. Step 2: Convert to fraction form
    70,321.32/97,019.28 = 40,084.83/x
  3. Step 3: Cross multiply
    70,321.32x = 97,019.28 × 40,084.83
  4. Step 4: Simplify right side
    70,321.32x = 3,889,001,345.52
  5. Step 5: Solve for x
    x = 3,889,001,345.52/70,321.32
  6. Step 6: Final answer
    x = 55,303.30

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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.