Home / 124,444.64-171,735.36-67,856.96

Finding the Fourth Proportional to 124,444.64, 171,735.36 and 67,856.96

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Solution

The fourth proportional to 124,444.64, 171,735.36 and 67,856.96 is: 93,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,444.64 : 171,735.36 = 67,856.96 : x
  2. Step 2: Convert to fraction form
    124,444.64/171,735.36 = 67,856.96/x
  3. Step 3: Cross multiply
    124,444.64x = 171,735.36 × 67,856.96
  4. Step 4: Simplify right side
    124,444.64x = 11,653,439,454.11
  5. Step 5: Solve for x
    x = 11,653,439,454.11/124,444.64
  6. Step 6: Final answer
    x = 93,643.56

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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.