Home / 90,784.65-125,274.02-52,536.60

Finding the Fourth Proportional to 90,784.65, 125,274.02 and 52,536.60

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Solution

The fourth proportional to 90,784.65, 125,274.02 and 52,536.60 is: 72,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784.65 : 125,274.02 = 52,536.60 : x
  2. Step 2: Convert to fraction form
    90,784.65/125,274.02 = 52,536.60/x
  3. Step 3: Cross multiply
    90,784.65x = 125,274.02 × 52,536.60
  4. Step 4: Simplify right side
    90,784.65x = 6,581,470,190.08
  5. Step 5: Solve for x
    x = 6,581,470,190.08/90,784.65
  6. Step 6: Final answer
    x = 72,495.41

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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.