Home / 89,048.50-122,886.93-51,325.18

Finding the Fourth Proportional to 89,048.50, 122,886.93 and 51,325.18

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Solution

The fourth proportional to 89,048.50, 122,886.93 and 51,325.18 is: 70,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.50 : 122,886.93 = 51,325.18 : x
  2. Step 2: Convert to fraction form
    89,048.50/122,886.93 = 51,325.18/x
  3. Step 3: Cross multiply
    89,048.50x = 122,886.93 × 51,325.18
  4. Step 4: Simplify right side
    89,048.50x = 6,307,193,801.90
  5. Step 5: Solve for x
    x = 6,307,193,801.90/89,048.50
  6. Step 6: Final answer
    x = 70,828.75

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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.