Home / 65,664.48-90,588.08-44,436.32

Finding the Fourth Proportional to 65,664.48, 90,588.08 and 44,436.32

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Solution

The fourth proportional to 65,664.48, 90,588.08 and 44,436.32 is: 61,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664.48 : 90,588.08 = 44,436.32 : x
  2. Step 2: Convert to fraction form
    65,664.48/90,588.08 = 44,436.32/x
  3. Step 3: Cross multiply
    65,664.48x = 90,588.08 × 44,436.32
  4. Step 4: Simplify right side
    65,664.48x = 4,025,400,911.07
  5. Step 5: Solve for x
    x = 4,025,400,911.07/65,664.48
  6. Step 6: Final answer
    x = 61,302.56

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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.