Home / 66,545.02-91,830.70-36,328.87

Finding the Fourth Proportional to 66,545.02, 91,830.70 and 36,328.87

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Solution

The fourth proportional to 66,545.02, 91,830.70 and 36,328.87 is: 50,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.02 : 91,830.70 = 36,328.87 : x
  2. Step 2: Convert to fraction form
    66,545.02/91,830.70 = 36,328.87/x
  3. Step 3: Cross multiply
    66,545.02x = 91,830.70 × 36,328.87
  4. Step 4: Simplify right side
    66,545.02x = 3,336,105,562.31
  5. Step 5: Solve for x
    x = 3,336,105,562.31/66,545.02
  6. Step 6: Final answer
    x = 50,133.06

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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.