Home / 65,580.04-90,537.80-43,288.84

Finding the Fourth Proportional to 65,580.04, 90,537.80 and 43,288.84

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Solution

The fourth proportional to 65,580.04, 90,537.80 and 43,288.84 is: 59,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,580.04 : 90,537.80 = 43,288.84 : x
  2. Step 2: Convert to fraction form
    65,580.04/90,537.80 = 43,288.84/x
  3. Step 3: Cross multiply
    65,580.04x = 90,537.80 × 43,288.84
  4. Step 4: Simplify right side
    65,580.04x = 3,919,276,338.15
  5. Step 5: Solve for x
    x = 3,919,276,338.15/65,580.04
  6. Step 6: Final answer
    x = 59,763.25

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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.