Home / 70,580.07-97,400.07-38,315.34

Finding the Fourth Proportional to 70,580.07, 97,400.07 and 38,315.34

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Solution

The fourth proportional to 70,580.07, 97,400.07 and 38,315.34 is: 52,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.07 : 97,400.07 = 38,315.34 : x
  2. Step 2: Convert to fraction form
    70,580.07/97,400.07 = 38,315.34/x
  3. Step 3: Cross multiply
    70,580.07x = 97,400.07 × 38,315.34
  4. Step 4: Simplify right side
    70,580.07x = 3,731,916,798.07
  5. Step 5: Solve for x
    x = 3,731,916,798.07/70,580.07
  6. Step 6: Final answer
    x = 52,874.94

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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.