Home / 90,821.46-125,266.59-62,536.26

Finding the Fourth Proportional to 90,821.46, 125,266.59 and 62,536.26

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Solution

The fourth proportional to 90,821.46, 125,266.59 and 62,536.26 is: 86,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,821.46 : 125,266.59 = 62,536.26 : x
  2. Step 2: Convert to fraction form
    90,821.46/125,266.59 = 62,536.26/x
  3. Step 3: Cross multiply
    90,821.46x = 125,266.59 × 62,536.26
  4. Step 4: Simplify right side
    90,821.46x = 7,833,704,041.55
  5. Step 5: Solve for x
    x = 7,833,704,041.55/90,821.46
  6. Step 6: Final answer
    x = 86,253.89

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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.