Home / 92,995.90-128,332.82-50,555.50

Finding the Fourth Proportional to 92,995.90, 128,332.82 and 50,555.50

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Solution

The fourth proportional to 92,995.90, 128,332.82 and 50,555.50 is: 69,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.90 : 128,332.82 = 50,555.50 : x
  2. Step 2: Convert to fraction form
    92,995.90/128,332.82 = 50,555.50/x
  3. Step 3: Cross multiply
    92,995.90x = 128,332.82 × 50,555.50
  4. Step 4: Simplify right side
    92,995.90x = 6,487,929,881.51
  5. Step 5: Solve for x
    x = 6,487,929,881.51/92,995.90
  6. Step 6: Final answer
    x = 69,765.76

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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.