Home / 76,225.74-105,181.02-42,225.81

Finding the Fourth Proportional to 76,225.74, 105,181.02 and 42,225.81

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Solution

The fourth proportional to 76,225.74, 105,181.02 and 42,225.81 is: 58,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,225.74 : 105,181.02 = 42,225.81 : x
  2. Step 2: Convert to fraction form
    76,225.74/105,181.02 = 42,225.81/x
  3. Step 3: Cross multiply
    76,225.74x = 105,181.02 × 42,225.81
  4. Step 4: Simplify right side
    76,225.74x = 4,441,353,766.13
  5. Step 5: Solve for x
    x = 4,441,353,766.13/76,225.74
  6. Step 6: Final answer
    x = 58,265.80

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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.