Home / 88,388.29-122,017.55-56,575.63

Finding the Fourth Proportional to 88,388.29, 122,017.55 and 56,575.63

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Solution

The fourth proportional to 88,388.29, 122,017.55 and 56,575.63 is: 78,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388.29 : 122,017.55 = 56,575.63 : x
  2. Step 2: Convert to fraction form
    88,388.29/122,017.55 = 56,575.63/x
  3. Step 3: Cross multiply
    88,388.29x = 122,017.55 × 56,575.63
  4. Step 4: Simplify right side
    88,388.29x = 6,903,219,479.43
  5. Step 5: Solve for x
    x = 6,903,219,479.43/88,388.29
  6. Step 6: Final answer
    x = 78,101.06

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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.