Home / 99,632.57-149,345.05-43,457.60

Finding the Fourth Proportional to 99,632.57, 149,345.05 and 43,457.60

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Solution

The fourth proportional to 99,632.57, 149,345.05 and 43,457.60 is: 65,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632.57 : 149,345.05 = 43,457.60 : x
  2. Step 2: Convert to fraction form
    99,632.57/149,345.05 = 43,457.60/x
  3. Step 3: Cross multiply
    99,632.57x = 149,345.05 × 43,457.60
  4. Step 4: Simplify right side
    99,632.57x = 6,490,176,698.15
  5. Step 5: Solve for x
    x = 6,490,176,698.15/99,632.57
  6. Step 6: Final answer
    x = 65,141.11

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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.