Home / 76,494.15-105,558.48-42,505.02

Finding the Fourth Proportional to 76,494.15, 105,558.48 and 42,505.02

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Solution

The fourth proportional to 76,494.15, 105,558.48 and 42,505.02 is: 58,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494.15 : 105,558.48 = 42,505.02 : x
  2. Step 2: Convert to fraction form
    76,494.15/105,558.48 = 42,505.02/x
  3. Step 3: Cross multiply
    76,494.15x = 105,558.48 × 42,505.02
  4. Step 4: Simplify right side
    76,494.15x = 4,486,765,303.57
  5. Step 5: Solve for x
    x = 4,486,765,303.57/76,494.15
  6. Step 6: Final answer
    x = 58,655.01

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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.