Home / 88,025.10-121,478.67-52,236.30

Finding the Fourth Proportional to 88,025.10, 121,478.67 and 52,236.30

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Solution

The fourth proportional to 88,025.10, 121,478.67 and 52,236.30 is: 72,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,025.10 : 121,478.67 = 52,236.30 : x
  2. Step 2: Convert to fraction form
    88,025.10/121,478.67 = 52,236.30/x
  3. Step 3: Cross multiply
    88,025.10x = 121,478.67 × 52,236.30
  4. Step 4: Simplify right side
    88,025.10x = 6,345,596,249.72
  5. Step 5: Solve for x
    x = 6,345,596,249.72/88,025.10
  6. Step 6: Final answer
    x = 72,088.49

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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.