Home / 90,455.17-124,808.17-52,206.60

Finding the Fourth Proportional to 90,455.17, 124,808.17 and 52,206.60

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Solution

The fourth proportional to 90,455.17, 124,808.17 and 52,206.60 is: 72,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,455.17 : 124,808.17 = 52,206.60 : x
  2. Step 2: Convert to fraction form
    90,455.17/124,808.17 = 52,206.60/x
  3. Step 3: Cross multiply
    90,455.17x = 124,808.17 × 52,206.60
  4. Step 4: Simplify right side
    90,455.17x = 6,515,809,946.89
  5. Step 5: Solve for x
    x = 6,515,809,946.89/90,455.17
  6. Step 6: Final answer
    x = 72,033.58

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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.