Home / 76,341.86-105,315.48-50,860.08

Finding the Fourth Proportional to 76,341.86, 105,315.48 and 50,860.08

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Solution

The fourth proportional to 76,341.86, 105,315.48 and 50,860.08 is: 70,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,341.86 : 105,315.48 = 50,860.08 : x
  2. Step 2: Convert to fraction form
    76,341.86/105,315.48 = 50,860.08/x
  3. Step 3: Cross multiply
    76,341.86x = 105,315.48 × 50,860.08
  4. Step 4: Simplify right side
    76,341.86x = 5,356,353,738.04
  5. Step 5: Solve for x
    x = 5,356,353,738.04/76,341.86
  6. Step 6: Final answer
    x = 70,162.74

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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.