Home / 117,875.04-162,664.11-64,158.81

Finding the Fourth Proportional to 117,875.04, 162,664.11 and 64,158.81

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Solution

The fourth proportional to 117,875.04, 162,664.11 and 64,158.81 is: 88,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,875.04 : 162,664.11 = 64,158.81 : x
  2. Step 2: Convert to fraction form
    117,875.04/162,664.11 = 64,158.81/x
  3. Step 3: Cross multiply
    117,875.04x = 162,664.11 × 64,158.81
  4. Step 4: Simplify right side
    117,875.04x = 10,436,335,727.31
  5. Step 5: Solve for x
    x = 10,436,335,727.31/117,875.04
  6. Step 6: Final answer
    x = 88,537.28

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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.