Home / 53,448.60-80,345.70-49,301.40

Finding the Fourth Proportional to 53,448.60, 80,345.70 and 49,301.40

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Solution

The fourth proportional to 53,448.60, 80,345.70 and 49,301.40 is: 74,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448.60 : 80,345.70 = 49,301.40 : x
  2. Step 2: Convert to fraction form
    53,448.60/80,345.70 = 49,301.40/x
  3. Step 3: Cross multiply
    53,448.60x = 80,345.70 × 49,301.40
  4. Step 4: Simplify right side
    53,448.60x = 3,961,155,493.98
  5. Step 5: Solve for x
    x = 3,961,155,493.98/53,448.60
  6. Step 6: Final answer
    x = 74,111.49

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1.5x scale

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.