Home / 84,192.41-116,155.08-64,817.28

Finding the Fourth Proportional to 84,192.41, 116,155.08 and 64,817.28

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Solution

The fourth proportional to 84,192.41, 116,155.08 and 64,817.28 is: 89,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.41 : 116,155.08 = 64,817.28 : x
  2. Step 2: Convert to fraction form
    84,192.41/116,155.08 = 64,817.28/x
  3. Step 3: Cross multiply
    84,192.41x = 116,155.08 × 64,817.28
  4. Step 4: Simplify right side
    84,192.41x = 7,528,856,343.78
  5. Step 5: Solve for x
    x = 7,528,856,343.78/84,192.41
  6. Step 6: Final answer
    x = 89,424.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.