Home / 65,575.08-90,490.41-37,280.16

Finding the Fourth Proportional to 65,575.08, 90,490.41 and 37,280.16

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Solution

The fourth proportional to 65,575.08, 90,490.41 and 37,280.16 is: 51,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.08 : 90,490.41 = 37,280.16 : x
  2. Step 2: Convert to fraction form
    65,575.08/90,490.41 = 37,280.16/x
  3. Step 3: Cross multiply
    65,575.08x = 90,490.41 × 37,280.16
  4. Step 4: Simplify right side
    65,575.08x = 3,373,496,963.27
  5. Step 5: Solve for x
    x = 3,373,496,963.27/65,575.08
  6. Step 6: Final answer
    x = 51,444.80

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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.