Home / 76,350.03-114,569.70-31,973.05

Finding the Fourth Proportional to 76,350.03, 114,569.70 and 31,973.05

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Solution

The fourth proportional to 76,350.03, 114,569.70 and 31,973.05 is: 47,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,350.03 : 114,569.70 = 31,973.05 : x
  2. Step 2: Convert to fraction form
    76,350.03/114,569.70 = 31,973.05/x
  3. Step 3: Cross multiply
    76,350.03x = 114,569.70 × 31,973.05
  4. Step 4: Simplify right side
    76,350.03x = 3,663,142,746.59
  5. Step 5: Solve for x
    x = 3,663,142,746.59/76,350.03
  6. Step 6: Final answer
    x = 47,978.28

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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.