Home / 76,630.34-114,888.26-52,870.10

Finding the Fourth Proportional to 76,630.34, 114,888.26 and 52,870.10

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Solution

The fourth proportional to 76,630.34, 114,888.26 and 52,870.10 is: 79,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630.34 : 114,888.26 = 52,870.10 : x
  2. Step 2: Convert to fraction form
    76,630.34/114,888.26 = 52,870.10/x
  3. Step 3: Cross multiply
    76,630.34x = 114,888.26 × 52,870.10
  4. Step 4: Simplify right side
    76,630.34x = 6,074,153,795.03
  5. Step 5: Solve for x
    x = 6,074,153,795.03/76,630.34
  6. Step 6: Final answer
    x = 79,265.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.