Home / 88,606.20-122,264.76-56,818.32

Finding the Fourth Proportional to 88,606.20, 122,264.76 and 56,818.32

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Solution

The fourth proportional to 88,606.20, 122,264.76 and 56,818.32 is: 78,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,606.20 : 122,264.76 = 56,818.32 : x
  2. Step 2: Convert to fraction form
    88,606.20/122,264.76 = 56,818.32/x
  3. Step 3: Cross multiply
    88,606.20x = 122,264.76 × 56,818.32
  4. Step 4: Simplify right side
    88,606.20x = 6,946,878,258.40
  5. Step 5: Solve for x
    x = 6,946,878,258.40/88,606.20
  6. Step 6: Final answer
    x = 78,401.72

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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.