Home / 89,125-122,946.48-60,434.95

Finding the Fourth Proportional to 89,125, 122,946.48 and 60,434.95

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Solution

The fourth proportional to 89,125, 122,946.48 and 60,434.95 is: 83,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125 : 122,946.48 = 60,434.95 : x
  2. Step 2: Convert to fraction form
    89,125/122,946.48 = 60,434.95/x
  3. Step 3: Cross multiply
    89,125x = 122,946.48 × 60,434.95
  4. Step 4: Simplify right side
    89,125x = 7,430,264,371.48
  5. Step 5: Solve for x
    x = 7,430,264,371.48/89,125
  6. Step 6: Final answer
    x = 83,369.03

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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.