Home / 70,154.09-96,814.78-38,325.04

Finding the Fourth Proportional to 70,154.09, 96,814.78 and 38,325.04

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Solution

The fourth proportional to 70,154.09, 96,814.78 and 38,325.04 is: 52,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,154.09 : 96,814.78 = 38,325.04 : x
  2. Step 2: Convert to fraction form
    70,154.09/96,814.78 = 38,325.04/x
  3. Step 3: Cross multiply
    70,154.09x = 96,814.78 × 38,325.04
  4. Step 4: Simplify right side
    70,154.09x = 3,710,430,124.47
  5. Step 5: Solve for x
    x = 3,710,430,124.47/70,154.09
  6. Step 6: Final answer
    x = 52,889.72

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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.