Home / 90,351.50-124,686.87-52,628.18

Finding the Fourth Proportional to 90,351.50, 124,686.87 and 52,628.18

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Solution

The fourth proportional to 90,351.50, 124,686.87 and 52,628.18 is: 72,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.50 : 124,686.87 = 52,628.18 : x
  2. Step 2: Convert to fraction form
    90,351.50/124,686.87 = 52,628.18/x
  3. Step 3: Cross multiply
    90,351.50x = 124,686.87 × 52,628.18
  4. Step 4: Simplify right side
    90,351.50x = 6,562,043,038.00
  5. Step 5: Solve for x
    x = 6,562,043,038.00/90,351.50
  6. Step 6: Final answer
    x = 72,627.94

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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.