Home / 76,533.24-114,389.52-69,019.68

Finding the Fourth Proportional to 76,533.24, 114,389.52 and 69,019.68

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Solution

The fourth proportional to 76,533.24, 114,389.52 and 69,019.68 is: 103,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,533.24 : 114,389.52 = 69,019.68 : x
  2. Step 2: Convert to fraction form
    76,533.24/114,389.52 = 69,019.68/x
  3. Step 3: Cross multiply
    76,533.24x = 114,389.52 × 69,019.68
  4. Step 4: Simplify right side
    76,533.24x = 7,895,128,065.75
  5. Step 5: Solve for x
    x = 7,895,128,065.75/76,533.24
  6. Step 6: Final answer
    x = 103,159.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.