Home / 89,235.36-123,146.40-48,946.68

Finding the Fourth Proportional to 89,235.36, 123,146.40 and 48,946.68

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Solution

The fourth proportional to 89,235.36, 123,146.40 and 48,946.68 is: 67,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.36 : 123,146.40 = 48,946.68 : x
  2. Step 2: Convert to fraction form
    89,235.36/123,146.40 = 48,946.68/x
  3. Step 3: Cross multiply
    89,235.36x = 123,146.40 × 48,946.68
  4. Step 4: Simplify right side
    89,235.36x = 6,027,607,433.95
  5. Step 5: Solve for x
    x = 6,027,607,433.95/89,235.36
  6. Step 6: Final answer
    x = 67,547.30

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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.