Home / 76,336.96-105,341.30-42,346.80

Finding the Fourth Proportional to 76,336.96, 105,341.30 and 42,346.80

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Solution

The fourth proportional to 76,336.96, 105,341.30 and 42,346.80 is: 58,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.96 : 105,341.30 = 42,346.80 : x
  2. Step 2: Convert to fraction form
    76,336.96/105,341.30 = 42,346.80/x
  3. Step 3: Cross multiply
    76,336.96x = 105,341.30 × 42,346.80
  4. Step 4: Simplify right side
    76,336.96x = 4,460,866,962.84
  5. Step 5: Solve for x
    x = 4,460,866,962.84/76,336.96
  6. Step 6: Final answer
    x = 58,436.53

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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.