Home / 55,315.45-83,039.02-53,059.65

Finding the Fourth Proportional to 55,315.45, 83,039.02 and 53,059.65

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Solution

The fourth proportional to 55,315.45, 83,039.02 and 53,059.65 is: 79,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.45 : 83,039.02 = 53,059.65 : x
  2. Step 2: Convert to fraction form
    55,315.45/83,039.02 = 53,059.65/x
  3. Step 3: Cross multiply
    55,315.45x = 83,039.02 × 53,059.65
  4. Step 4: Simplify right side
    55,315.45x = 4,406,021,072.24
  5. Step 5: Solve for x
    x = 4,406,021,072.24/55,315.45
  6. Step 6: Final answer
    x = 79,652.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.