Home / 70,154.15-96,814.85-38,325.10

Finding the Fourth Proportional to 70,154.15, 96,814.85 and 38,325.10

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Solution

The fourth proportional to 70,154.15, 96,814.85 and 38,325.10 is: 52,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,154.15 : 96,814.85 = 38,325.10 : x
  2. Step 2: Convert to fraction form
    70,154.15/96,814.85 = 38,325.10/x
  3. Step 3: Cross multiply
    70,154.15x = 96,814.85 × 38,325.10
  4. Step 4: Simplify right side
    70,154.15x = 3,710,438,807.74
  5. Step 5: Solve for x
    x = 3,710,438,807.74/70,154.15
  6. Step 6: Final answer
    x = 52,889.80

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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.