Home / 105,005.60-144,895.20-59,667.20

Finding the Fourth Proportional to 105,005.60, 144,895.20 and 59,667.20

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Solution

The fourth proportional to 105,005.60, 144,895.20 and 59,667.20 is: 82,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.60 : 144,895.20 = 59,667.20 : x
  2. Step 2: Convert to fraction form
    105,005.60/144,895.20 = 59,667.20/x
  3. Step 3: Cross multiply
    105,005.60x = 144,895.20 × 59,667.20
  4. Step 4: Simplify right side
    105,005.60x = 8,645,490,877.44
  5. Step 5: Solve for x
    x = 8,645,490,877.44/105,005.60
  6. Step 6: Final answer
    x = 82,333.62

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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.