Home / 76,603.28-105,709.08-44,332.80

Finding the Fourth Proportional to 76,603.28, 105,709.08 and 44,332.80

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Solution

The fourth proportional to 76,603.28, 105,709.08 and 44,332.80 is: 61,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,603.28 : 105,709.08 = 44,332.80 : x
  2. Step 2: Convert to fraction form
    76,603.28/105,709.08 = 44,332.80/x
  3. Step 3: Cross multiply
    76,603.28x = 105,709.08 × 44,332.80
  4. Step 4: Simplify right side
    76,603.28x = 4,686,379,501.82
  5. Step 5: Solve for x
    x = 4,686,379,501.82/76,603.28
  6. Step 6: Final answer
    x = 61,177.27

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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.