Home / 93,226.40-128,700.12-63,170.56

Finding the Fourth Proportional to 93,226.40, 128,700.12 and 63,170.56

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Solution

The fourth proportional to 93,226.40, 128,700.12 and 63,170.56 is: 87,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,226.40 : 128,700.12 = 63,170.56 : x
  2. Step 2: Convert to fraction form
    93,226.40/128,700.12 = 63,170.56/x
  3. Step 3: Cross multiply
    93,226.40x = 128,700.12 × 63,170.56
  4. Step 4: Simplify right side
    93,226.40x = 8,130,058,652.47
  5. Step 5: Solve for x
    x = 8,130,058,652.47/93,226.40
  6. Step 6: Final answer
    x = 87,207.69

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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.