Home / 123,032.96-169,785.47-66,444.32

Finding the Fourth Proportional to 123,032.96, 169,785.47 and 66,444.32

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Solution

The fourth proportional to 123,032.96, 169,785.47 and 66,444.32 is: 91,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,032.96 : 169,785.47 = 66,444.32 : x
  2. Step 2: Convert to fraction form
    123,032.96/169,785.47 = 66,444.32/x
  3. Step 3: Cross multiply
    123,032.96x = 169,785.47 × 66,444.32
  4. Step 4: Simplify right side
    123,032.96x = 11,281,280,100.03
  5. Step 5: Solve for x
    x = 11,281,280,100.03/123,032.96
  6. Step 6: Final answer
    x = 91,693.15

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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.