Home / 70,216.48-96,898.08-38,385.04

Finding the Fourth Proportional to 70,216.48, 96,898.08 and 38,385.04

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Solution

The fourth proportional to 70,216.48, 96,898.08 and 38,385.04 is: 52,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,216.48 : 96,898.08 = 38,385.04 : x
  2. Step 2: Convert to fraction form
    70,216.48/96,898.08 = 38,385.04/x
  3. Step 3: Cross multiply
    70,216.48x = 96,898.08 × 38,385.04
  4. Step 4: Simplify right side
    70,216.48x = 3,719,436,676.72
  5. Step 5: Solve for x
    x = 3,719,436,676.72/70,216.48
  6. Step 6: Final answer
    x = 52,970.99

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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.