Home / 85,952.18-128,925.57-23,622.14

Finding the Fourth Proportional to 85,952.18, 128,925.57 and 23,622.14

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Solution

The fourth proportional to 85,952.18, 128,925.57 and 23,622.14 is: 35,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,952.18 : 128,925.57 = 23,622.14 : x
  2. Step 2: Convert to fraction form
    85,952.18/128,925.57 = 23,622.14/x
  3. Step 3: Cross multiply
    85,952.18x = 128,925.57 × 23,622.14
  4. Step 4: Simplify right side
    85,952.18x = 3,045,497,864.12
  5. Step 5: Solve for x
    x = 3,045,497,864.12/85,952.18
  6. Step 6: Final answer
    x = 35,432.47

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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.