Home / 76,518.75-105,548.23-52,603.91

Finding the Fourth Proportional to 76,518.75, 105,548.23 and 52,603.91

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Solution

The fourth proportional to 76,518.75, 105,548.23 and 52,603.91 is: 72,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,518.75 : 105,548.23 = 52,603.91 : x
  2. Step 2: Convert to fraction form
    76,518.75/105,548.23 = 52,603.91/x
  3. Step 3: Cross multiply
    76,518.75x = 105,548.23 × 52,603.91
  4. Step 4: Simplify right side
    76,518.75x = 5,552,249,006.62
  5. Step 5: Solve for x
    x = 5,552,249,006.62/76,518.75
  6. Step 6: Final answer
    x = 72,560.63

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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.