Home / 124,579.60-186,869.40-45,667.60

Finding the Fourth Proportional to 124,579.60, 186,869.40 and 45,667.60

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Solution

The fourth proportional to 124,579.60, 186,869.40 and 45,667.60 is: 68,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579.60 : 186,869.40 = 45,667.60 : x
  2. Step 2: Convert to fraction form
    124,579.60/186,869.40 = 45,667.60/x
  3. Step 3: Cross multiply
    124,579.60x = 186,869.40 × 45,667.60
  4. Step 4: Simplify right side
    124,579.60x = 8,533,877,011.44
  5. Step 5: Solve for x
    x = 8,533,877,011.44/124,579.60
  6. Step 6: Final answer
    x = 68,501.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.