Home / 70,384.30-97,130.34-38,553.28

Finding the Fourth Proportional to 70,384.30, 97,130.34 and 38,553.28

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Solution

The fourth proportional to 70,384.30, 97,130.34 and 38,553.28 is: 53,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,384.30 : 97,130.34 = 38,553.28 : x
  2. Step 2: Convert to fraction form
    70,384.30/97,130.34 = 38,553.28/x
  3. Step 3: Cross multiply
    70,384.30x = 97,130.34 × 38,553.28
  4. Step 4: Simplify right side
    70,384.30x = 3,744,693,194.52
  5. Step 5: Solve for x
    x = 3,744,693,194.52/70,384.30
  6. Step 6: Final answer
    x = 53,203.53

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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.