Home / 66,125.58-91,230.48-42,266.22

Finding the Fourth Proportional to 66,125.58, 91,230.48 and 42,266.22

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Solution

The fourth proportional to 66,125.58, 91,230.48 and 42,266.22 is: 58,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.58 : 91,230.48 = 42,266.22 : x
  2. Step 2: Convert to fraction form
    66,125.58/91,230.48 = 42,266.22/x
  3. Step 3: Cross multiply
    66,125.58x = 91,230.48 × 42,266.22
  4. Step 4: Simplify right side
    66,125.58x = 3,855,967,538.39
  5. Step 5: Solve for x
    x = 3,855,967,538.39/66,125.58
  6. Step 6: Final answer
    x = 58,312.80

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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.