Home / 70,184.16-96,857.64-38,354.40

Finding the Fourth Proportional to 70,184.16, 96,857.64 and 38,354.40

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Solution

The fourth proportional to 70,184.16, 96,857.64 and 38,354.40 is: 52,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,184.16 : 96,857.64 = 38,354.40 : x
  2. Step 2: Convert to fraction form
    70,184.16/96,857.64 = 38,354.40/x
  3. Step 3: Cross multiply
    70,184.16x = 96,857.64 × 38,354.40
  4. Step 4: Simplify right side
    70,184.16x = 3,714,916,667.62
  5. Step 5: Solve for x
    x = 3,714,916,667.62/70,184.16
  6. Step 6: Final answer
    x = 52,930.98

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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.