Home / 85,944.08-128,922.34-35,973.92

Finding the Fourth Proportional to 85,944.08, 128,922.34 and 35,973.92

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Solution

The fourth proportional to 85,944.08, 128,922.34 and 35,973.92 is: 53,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,944.08 : 128,922.34 = 35,973.92 : x
  2. Step 2: Convert to fraction form
    85,944.08/128,922.34 = 35,973.92/x
  3. Step 3: Cross multiply
    85,944.08x = 128,922.34 × 35,973.92
  4. Step 4: Simplify right side
    85,944.08x = 4,637,841,945.37
  5. Step 5: Solve for x
    x = 4,637,841,945.37/85,944.08
  6. Step 6: Final answer
    x = 53,963.48

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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.