Home / 101,416.49-139,953.93-56,096.41

Finding the Fourth Proportional to 101,416.49, 139,953.93 and 56,096.41

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Solution

The fourth proportional to 101,416.49, 139,953.93 and 56,096.41 is: 77,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,416.49 : 139,953.93 = 56,096.41 : x
  2. Step 2: Convert to fraction form
    101,416.49/139,953.93 = 56,096.41/x
  3. Step 3: Cross multiply
    101,416.49x = 139,953.93 × 56,096.41
  4. Step 4: Simplify right side
    101,416.49x = 7,850,913,038.39
  5. Step 5: Solve for x
    x = 7,850,913,038.39/101,416.49
  6. Step 6: Final answer
    x = 77,412.59

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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.