Home / 85,952.16-128,954.64-41,030.84

Finding the Fourth Proportional to 85,952.16, 128,954.64 and 41,030.84

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Solution

The fourth proportional to 85,952.16, 128,954.64 and 41,030.84 is: 61,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,952.16 : 128,954.64 = 41,030.84 : x
  2. Step 2: Convert to fraction form
    85,952.16/128,954.64 = 41,030.84/x
  3. Step 3: Cross multiply
    85,952.16x = 128,954.64 × 41,030.84
  4. Step 4: Simplify right side
    85,952.16x = 5,291,117,677.35
  5. Step 5: Solve for x
    x = 5,291,117,677.35/85,952.16
  6. Step 6: Final answer
    x = 61,558.87

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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.