Home / 70,388.02-105,336.59-57,589.87

Finding the Fourth Proportional to 70,388.02, 105,336.59 and 57,589.87

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Solution

The fourth proportional to 70,388.02, 105,336.59 and 57,589.87 is: 86,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.02 : 105,336.59 = 57,589.87 : x
  2. Step 2: Convert to fraction form
    70,388.02/105,336.59 = 57,589.87/x
  3. Step 3: Cross multiply
    70,388.02x = 105,336.59 × 57,589.87
  4. Step 4: Simplify right side
    70,388.02x = 6,066,319,709.71
  5. Step 5: Solve for x
    x = 6,066,319,709.71/70,388.02
  6. Step 6: Final answer
    x = 86,183.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.