Home / 76,008.03-113,455.42-67,030.17

Finding the Fourth Proportional to 76,008.03, 113,455.42 and 67,030.17

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Solution

The fourth proportional to 76,008.03, 113,455.42 and 67,030.17 is: 100,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,008.03 : 113,455.42 = 67,030.17 : x
  2. Step 2: Convert to fraction form
    76,008.03/113,455.42 = 67,030.17/x
  3. Step 3: Cross multiply
    76,008.03x = 113,455.42 × 67,030.17
  4. Step 4: Simplify right side
    76,008.03x = 7,604,936,090.02
  5. Step 5: Solve for x
    x = 7,604,936,090.02/76,008.03
  6. Step 6: Final answer
    x = 100,054.38

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1.5x scale

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.