Home / 76,085.12-105,000.60-42,093.06

Finding the Fourth Proportional to 76,085.12, 105,000.60 and 42,093.06

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Solution

The fourth proportional to 76,085.12, 105,000.60 and 42,093.06 is: 58,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,085.12 : 105,000.60 = 42,093.06 : x
  2. Step 2: Convert to fraction form
    76,085.12/105,000.60 = 42,093.06/x
  3. Step 3: Cross multiply
    76,085.12x = 105,000.60 × 42,093.06
  4. Step 4: Simplify right side
    76,085.12x = 4,419,796,555.84
  5. Step 5: Solve for x
    x = 4,419,796,555.84/76,085.12
  6. Step 6: Final answer
    x = 58,090.16

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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.