Home / 64,820.38-89,526.60-43,272.60

Finding the Fourth Proportional to 64,820.38, 89,526.60 and 43,272.60

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Solution

The fourth proportional to 64,820.38, 89,526.60 and 43,272.60 is: 59,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,820.38 : 89,526.60 = 43,272.60 : x
  2. Step 2: Convert to fraction form
    64,820.38/89,526.60 = 43,272.60/x
  3. Step 3: Cross multiply
    64,820.38x = 89,526.60 × 43,272.60
  4. Step 4: Simplify right side
    64,820.38x = 3,874,048,751.16
  5. Step 5: Solve for x
    x = 3,874,048,751.16/64,820.38
  6. Step 6: Final answer
    x = 59,765.91

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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.