Home / 64,400.20-96,600.30-46,659.40

Finding the Fourth Proportional to 64,400.20, 96,600.30 and 46,659.40

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Solution

The fourth proportional to 64,400.20, 96,600.30 and 46,659.40 is: 69,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.20 : 96,600.30 = 46,659.40 : x
  2. Step 2: Convert to fraction form
    64,400.20/96,600.30 = 46,659.40/x
  3. Step 3: Cross multiply
    64,400.20x = 96,600.30 × 46,659.40
  4. Step 4: Simplify right side
    64,400.20x = 4,507,312,037.82
  5. Step 5: Solve for x
    x = 4,507,312,037.82/64,400.20
  6. Step 6: Final answer
    x = 69,989.10

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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.