Home / 68,056.09-101,424.79-64,513.15

Finding the Fourth Proportional to 68,056.09, 101,424.79 and 64,513.15

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Solution

The fourth proportional to 68,056.09, 101,424.79 and 64,513.15 is: 96,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,056.09 : 101,424.79 = 64,513.15 : x
  2. Step 2: Convert to fraction form
    68,056.09/101,424.79 = 64,513.15/x
  3. Step 3: Cross multiply
    68,056.09x = 101,424.79 × 64,513.15
  4. Step 4: Simplify right side
    68,056.09x = 6,543,232,690.99
  5. Step 5: Solve for x
    x = 6,543,232,690.99/68,056.09
  6. Step 6: Final answer
    x = 96,144.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.