Home / 76,457.04-105,530.76-42,933.84

Finding the Fourth Proportional to 76,457.04, 105,530.76 and 42,933.84

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Solution

The fourth proportional to 76,457.04, 105,530.76 and 42,933.84 is: 59,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,457.04 : 105,530.76 = 42,933.84 : x
  2. Step 2: Convert to fraction form
    76,457.04/105,530.76 = 42,933.84/x
  3. Step 3: Cross multiply
    76,457.04x = 105,530.76 × 42,933.84
  4. Step 4: Simplify right side
    76,457.04x = 4,530,840,764.92
  5. Step 5: Solve for x
    x = 4,530,840,764.92/76,457.04
  6. Step 6: Final answer
    x = 59,259.96

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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.