Home / 76,599.32-105,705.54-42,606.64

Finding the Fourth Proportional to 76,599.32, 105,705.54 and 42,606.64

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Solution

The fourth proportional to 76,599.32, 105,705.54 and 42,606.64 is: 58,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,599.32 : 105,705.54 = 42,606.64 : x
  2. Step 2: Convert to fraction form
    76,599.32/105,705.54 = 42,606.64/x
  3. Step 3: Cross multiply
    76,599.32x = 105,705.54 × 42,606.64
  4. Step 4: Simplify right side
    76,599.32x = 4,503,757,888.79
  5. Step 5: Solve for x
    x = 4,503,757,888.79/76,599.32
  6. Step 6: Final answer
    x = 58,796.32

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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.