Home / 61,412.20-92,118.30-45,860.20

Finding the Fourth Proportional to 61,412.20, 92,118.30 and 45,860.20

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Solution

The fourth proportional to 61,412.20, 92,118.30 and 45,860.20 is: 68,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,412.20 : 92,118.30 = 45,860.20 : x
  2. Step 2: Convert to fraction form
    61,412.20/92,118.30 = 45,860.20/x
  3. Step 3: Cross multiply
    61,412.20x = 92,118.30 × 45,860.20
  4. Step 4: Simplify right side
    61,412.20x = 4,224,563,661.66
  5. Step 5: Solve for x
    x = 4,224,563,661.66/61,412.20
  6. Step 6: Final answer
    x = 68,790.30

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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.