Home / 70,687.26-97,562.64-42,001.44

Finding the Fourth Proportional to 70,687.26, 97,562.64 and 42,001.44

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Solution

The fourth proportional to 70,687.26, 97,562.64 and 42,001.44 is: 57,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,687.26 : 97,562.64 = 42,001.44 : x
  2. Step 2: Convert to fraction form
    70,687.26/97,562.64 = 42,001.44/x
  3. Step 3: Cross multiply
    70,687.26x = 97,562.64 × 42,001.44
  4. Step 4: Simplify right side
    70,687.26x = 4,097,771,370.20
  5. Step 5: Solve for x
    x = 4,097,771,370.20/70,687.26
  6. Step 6: Final answer
    x = 57,970.44

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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.