Home / 76,088.13-105,000.96-42,099.12

Finding the Fourth Proportional to 76,088.13, 105,000.96 and 42,099.12

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Solution

The fourth proportional to 76,088.13, 105,000.96 and 42,099.12 is: 58,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,088.13 : 105,000.96 = 42,099.12 : x
  2. Step 2: Convert to fraction form
    76,088.13/105,000.96 = 42,099.12/x
  3. Step 3: Cross multiply
    76,088.13x = 105,000.96 × 42,099.12
  4. Step 4: Simplify right side
    76,088.13x = 4,420,448,015.16
  5. Step 5: Solve for x
    x = 4,420,448,015.16/76,088.13
  6. Step 6: Final answer
    x = 58,096.42

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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.