Home / 76,444.96-105,495.08-42,455.64

Finding the Fourth Proportional to 76,444.96, 105,495.08 and 42,455.64

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Solution

The fourth proportional to 76,444.96, 105,495.08 and 42,455.64 is: 58,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,444.96 : 105,495.08 = 42,455.64 : x
  2. Step 2: Convert to fraction form
    76,444.96/105,495.08 = 42,455.64/x
  3. Step 3: Cross multiply
    76,444.96x = 105,495.08 × 42,455.64
  4. Step 4: Simplify right side
    76,444.96x = 4,478,861,138.25
  5. Step 5: Solve for x
    x = 4,478,861,138.25/76,444.96
  6. Step 6: Final answer
    x = 58,589.36

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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.