Home / 91,012.06-125,602.95-55,203.58

Finding the Fourth Proportional to 91,012.06, 125,602.95 and 55,203.58

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Solution

The fourth proportional to 91,012.06, 125,602.95 and 55,203.58 is: 76,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012.06 : 125,602.95 = 55,203.58 : x
  2. Step 2: Convert to fraction form
    91,012.06/125,602.95 = 55,203.58/x
  3. Step 3: Cross multiply
    91,012.06x = 125,602.95 × 55,203.58
  4. Step 4: Simplify right side
    91,012.06x = 6,933,732,498.56
  5. Step 5: Solve for x
    x = 6,933,732,498.56/91,012.06
  6. Step 6: Final answer
    x = 76,184.77

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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.