Home / 70,867.38-97,803.90-52,931.28

Finding the Fourth Proportional to 70,867.38, 97,803.90 and 52,931.28

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Solution

The fourth proportional to 70,867.38, 97,803.90 and 52,931.28 is: 73,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,867.38 : 97,803.90 = 52,931.28 : x
  2. Step 2: Convert to fraction form
    70,867.38/97,803.90 = 52,931.28/x
  3. Step 3: Cross multiply
    70,867.38x = 97,803.90 × 52,931.28
  4. Step 4: Simplify right side
    70,867.38x = 5,176,885,615.99
  5. Step 5: Solve for x
    x = 5,176,885,615.99/70,867.38
  6. Step 6: Final answer
    x = 73,050.33

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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.