Home / 93,703.24-129,228.72-66,425.38

Finding the Fourth Proportional to 93,703.24, 129,228.72 and 66,425.38

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Solution

The fourth proportional to 93,703.24, 129,228.72 and 66,425.38 is: 91,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,703.24 : 129,228.72 = 66,425.38 : x
  2. Step 2: Convert to fraction form
    93,703.24/129,228.72 = 66,425.38/x
  3. Step 3: Cross multiply
    93,703.24x = 129,228.72 × 66,425.38
  4. Step 4: Simplify right side
    93,703.24x = 8,584,066,832.91
  5. Step 5: Solve for x
    x = 8,584,066,832.91/93,703.24
  6. Step 6: Final answer
    x = 91,609.07

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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.