Home / 53,973.60-74,732.40-51,208.80

Finding the Fourth Proportional to 53,973.60, 74,732.40 and 51,208.80

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Solution

The fourth proportional to 53,973.60, 74,732.40 and 51,208.80 is: 70,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.60 : 74,732.40 = 51,208.80 : x
  2. Step 2: Convert to fraction form
    53,973.60/74,732.40 = 51,208.80/x
  3. Step 3: Cross multiply
    53,973.60x = 74,732.40 × 51,208.80
  4. Step 4: Simplify right side
    53,973.60x = 3,826,956,525.12
  5. Step 5: Solve for x
    x = 3,826,956,525.12/53,973.60
  6. Step 6: Final answer
    x = 70,904.23

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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.