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Finding the Fourth Proportional to 76,010.10, 114,015.15 and 64,200.30

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Solution

The fourth proportional to 76,010.10, 114,015.15 and 64,200.30 is: 96,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,010.10 : 114,015.15 = 64,200.30 : x
  2. Step 2: Convert to fraction form
    76,010.10/114,015.15 = 64,200.30/x
  3. Step 3: Cross multiply
    76,010.10x = 114,015.15 × 64,200.30
  4. Step 4: Simplify right side
    76,010.10x = 7,319,806,834.55
  5. Step 5: Solve for x
    x = 7,319,806,834.55/76,010.10
  6. Step 6: Final answer
    x = 96,300.45

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1.5x scale

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.