Home / 88,064.16-121,536.74-50,331.12

Finding the Fourth Proportional to 88,064.16, 121,536.74 and 50,331.12

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Solution

The fourth proportional to 88,064.16, 121,536.74 and 50,331.12 is: 69,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,064.16 : 121,536.74 = 50,331.12 : x
  2. Step 2: Convert to fraction form
    88,064.16/121,536.74 = 50,331.12/x
  3. Step 3: Cross multiply
    88,064.16x = 121,536.74 × 50,331.12
  4. Step 4: Simplify right side
    88,064.16x = 6,117,080,245.35
  5. Step 5: Solve for x
    x = 6,117,080,245.35/88,064.16
  6. Step 6: Final answer
    x = 69,461.63

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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.