Home / 108,457.32-162,935.74-76,945.62

Finding the Fourth Proportional to 108,457.32, 162,935.74 and 76,945.62

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Solution

The fourth proportional to 108,457.32, 162,935.74 and 76,945.62 is: 115,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,457.32 : 162,935.74 = 76,945.62 : x
  2. Step 2: Convert to fraction form
    108,457.32/162,935.74 = 76,945.62/x
  3. Step 3: Cross multiply
    108,457.32x = 162,935.74 × 76,945.62
  4. Step 4: Simplify right side
    108,457.32x = 12,537,191,534.46
  5. Step 5: Solve for x
    x = 12,537,191,534.46/108,457.32
  6. Step 6: Final answer
    x = 115,595.62

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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.