Home / 123,025.95-169,775.81-66,437.32

Finding the Fourth Proportional to 123,025.95, 169,775.81 and 66,437.32

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Solution

The fourth proportional to 123,025.95, 169,775.81 and 66,437.32 is: 91,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,025.95 : 169,775.81 = 66,437.32 : x
  2. Step 2: Convert to fraction form
    123,025.95/169,775.81 = 66,437.32/x
  3. Step 3: Cross multiply
    123,025.95x = 169,775.81 × 66,437.32
  4. Step 4: Simplify right side
    123,025.95x = 11,279,449,817.23
  5. Step 5: Solve for x
    x = 11,279,449,817.23/123,025.95
  6. Step 6: Final answer
    x = 91,683.50

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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.