Home / 76,630.56-105,715.44-55,376.16

Finding the Fourth Proportional to 76,630.56, 105,715.44 and 55,376.16

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Solution

The fourth proportional to 76,630.56, 105,715.44 and 55,376.16 is: 76,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630.56 : 105,715.44 = 55,376.16 : x
  2. Step 2: Convert to fraction form
    76,630.56/105,715.44 = 55,376.16/x
  3. Step 3: Cross multiply
    76,630.56x = 105,715.44 × 55,376.16
  4. Step 4: Simplify right side
    76,630.56x = 5,854,115,119.91
  5. Step 5: Solve for x
    x = 5,854,115,119.91/76,630.56
  6. Step 6: Final answer
    x = 76,394.00

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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.