Home / 64,074.20-96,111.68-42,027.60

Finding the Fourth Proportional to 64,074.20, 96,111.68 and 42,027.60

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Solution

The fourth proportional to 64,074.20, 96,111.68 and 42,027.60 is: 63,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.20 : 96,111.68 = 42,027.60 : x
  2. Step 2: Convert to fraction form
    64,074.20/96,111.68 = 42,027.60/x
  3. Step 3: Cross multiply
    64,074.20x = 96,111.68 × 42,027.60
  4. Step 4: Simplify right side
    64,074.20x = 4,039,343,242.37
  5. Step 5: Solve for x
    x = 4,039,343,242.37/64,074.20
  6. Step 6: Final answer
    x = 63,041.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.