Home / 70,691.38-97,554.30-40,477.16

Finding the Fourth Proportional to 70,691.38, 97,554.30 and 40,477.16

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Solution

The fourth proportional to 70,691.38, 97,554.30 and 40,477.16 is: 55,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.38 : 97,554.30 = 40,477.16 : x
  2. Step 2: Convert to fraction form
    70,691.38/97,554.30 = 40,477.16/x
  3. Step 3: Cross multiply
    70,691.38x = 97,554.30 × 40,477.16
  4. Step 4: Simplify right side
    70,691.38x = 3,948,721,009.79
  5. Step 5: Solve for x
    x = 3,948,721,009.79/70,691.38
  6. Step 6: Final answer
    x = 55,858.59

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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.