Home / 85,462.62-128,206.08-26,303.22

Finding the Fourth Proportional to 85,462.62, 128,206.08 and 26,303.22

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Solution

The fourth proportional to 85,462.62, 128,206.08 and 26,303.22 is: 39,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,462.62 : 128,206.08 = 26,303.22 : x
  2. Step 2: Convert to fraction form
    85,462.62/128,206.08 = 26,303.22/x
  3. Step 3: Cross multiply
    85,462.62x = 128,206.08 × 26,303.22
  4. Step 4: Simplify right side
    85,462.62x = 3,372,232,727.58
  5. Step 5: Solve for x
    x = 3,372,232,727.58/85,462.62
  6. Step 6: Final answer
    x = 39,458.57

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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.