Home / 92,909.05-128,216.86-52,622.21

Finding the Fourth Proportional to 92,909.05, 128,216.86 and 52,622.21

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Solution

The fourth proportional to 92,909.05, 128,216.86 and 52,622.21 is: 72,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.05 : 128,216.86 = 52,622.21 : x
  2. Step 2: Convert to fraction form
    92,909.05/128,216.86 = 52,622.21/x
  3. Step 3: Cross multiply
    92,909.05x = 128,216.86 × 52,622.21
  4. Step 4: Simplify right side
    92,909.05x = 6,747,054,721.45
  5. Step 5: Solve for x
    x = 6,747,054,721.45/92,909.05
  6. Step 6: Final answer
    x = 72,620.00

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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.