Home / 77,013.76-115,445.44-37,569.28

Finding the Fourth Proportional to 77,013.76, 115,445.44 and 37,569.28

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Solution

The fourth proportional to 77,013.76, 115,445.44 and 37,569.28 is: 56,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,013.76 : 115,445.44 = 37,569.28 : x
  2. Step 2: Convert to fraction form
    77,013.76/115,445.44 = 37,569.28/x
  3. Step 3: Cross multiply
    77,013.76x = 115,445.44 × 37,569.28
  4. Step 4: Simplify right side
    77,013.76x = 4,337,202,060.08
  5. Step 5: Solve for x
    x = 4,337,202,060.08/77,013.76
  6. Step 6: Final answer
    x = 56,317.24

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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.