Home / 70,215.98-96,899.58-38,384.86

Finding the Fourth Proportional to 70,215.98, 96,899.58 and 38,384.86

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Solution

The fourth proportional to 70,215.98, 96,899.58 and 38,384.86 is: 52,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,215.98 : 96,899.58 = 38,384.86 : x
  2. Step 2: Convert to fraction form
    70,215.98/96,899.58 = 38,384.86/x
  3. Step 3: Cross multiply
    70,215.98x = 96,899.58 × 38,384.86
  4. Step 4: Simplify right side
    70,215.98x = 3,719,476,812.36
  5. Step 5: Solve for x
    x = 3,719,476,812.36/70,215.98
  6. Step 6: Final answer
    x = 52,971.94

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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.