Home / 70,566.90-97,381.26-38,735.79

Finding the Fourth Proportional to 70,566.90, 97,381.26 and 38,735.79

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Solution

The fourth proportional to 70,566.90, 97,381.26 and 38,735.79 is: 53,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,566.90 : 97,381.26 = 38,735.79 : x
  2. Step 2: Convert to fraction form
    70,566.90/97,381.26 = 38,735.79/x
  3. Step 3: Cross multiply
    70,566.90x = 97,381.26 × 38,735.79
  4. Step 4: Simplify right side
    70,566.90x = 3,772,140,602.71
  5. Step 5: Solve for x
    x = 3,772,140,602.71/70,566.90
  6. Step 6: Final answer
    x = 53,454.82

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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.