Home / 96,415.60-133,049.64-56,130.52

Finding the Fourth Proportional to 96,415.60, 133,049.64 and 56,130.52

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Solution

The fourth proportional to 96,415.60, 133,049.64 and 56,130.52 is: 77,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,415.60 : 133,049.64 = 56,130.52 : x
  2. Step 2: Convert to fraction form
    96,415.60/133,049.64 = 56,130.52/x
  3. Step 3: Cross multiply
    96,415.60x = 133,049.64 × 56,130.52
  4. Step 4: Simplify right side
    96,415.60x = 7,468,145,479.01
  5. Step 5: Solve for x
    x = 7,468,145,479.01/96,415.60
  6. Step 6: Final answer
    x = 77,457.85

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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.