Home / 88,388.79-122,018.24-56,576.13

Finding the Fourth Proportional to 88,388.79, 122,018.24 and 56,576.13

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Solution

The fourth proportional to 88,388.79, 122,018.24 and 56,576.13 is: 78,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388.79 : 122,018.24 = 56,576.13 : x
  2. Step 2: Convert to fraction form
    88,388.79/122,018.24 = 56,576.13/x
  3. Step 3: Cross multiply
    88,388.79x = 122,018.24 × 56,576.13
  4. Step 4: Simplify right side
    88,388.79x = 6,903,319,808.61
  5. Step 5: Solve for x
    x = 6,903,319,808.61/88,388.79
  6. Step 6: Final answer
    x = 78,101.76

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1.5x scale

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.