Home / 76,448.41-105,495.24-42,459.10

Finding the Fourth Proportional to 76,448.41, 105,495.24 and 42,459.10

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Solution

The fourth proportional to 76,448.41, 105,495.24 and 42,459.10 is: 58,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,448.41 : 105,495.24 = 42,459.10 : x
  2. Step 2: Convert to fraction form
    76,448.41/105,495.24 = 42,459.10/x
  3. Step 3: Cross multiply
    76,448.41x = 105,495.24 × 42,459.10
  4. Step 4: Simplify right side
    76,448.41x = 4,479,232,944.68
  5. Step 5: Solve for x
    x = 4,479,232,944.68/76,448.41
  6. Step 6: Final answer
    x = 58,591.58

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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.