Home / 56,089.45-77,404.90-30,596.25

Finding the Fourth Proportional to 56,089.45, 77,404.90 and 30,596.25

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Solution

The fourth proportional to 56,089.45, 77,404.90 and 30,596.25 is: 42,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089.45 : 77,404.90 = 30,596.25 : x
  2. Step 2: Convert to fraction form
    56,089.45/77,404.90 = 30,596.25/x
  3. Step 3: Cross multiply
    56,089.45x = 77,404.90 × 30,596.25
  4. Step 4: Simplify right side
    56,089.45x = 2,368,299,671.63
  5. Step 5: Solve for x
    x = 2,368,299,671.63/56,089.45
  6. Step 6: Final answer
    x = 42,223.62

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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.