Home / 53,777.76-74,202.40-31,417.44

Finding the Fourth Proportional to 53,777.76, 74,202.40 and 31,417.44

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Solution

The fourth proportional to 53,777.76, 74,202.40 and 31,417.44 is: 43,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777.76 : 74,202.40 = 31,417.44 : x
  2. Step 2: Convert to fraction form
    53,777.76/74,202.40 = 31,417.44/x
  3. Step 3: Cross multiply
    53,777.76x = 74,202.40 × 31,417.44
  4. Step 4: Simplify right side
    53,777.76x = 2,331,249,449.86
  5. Step 5: Solve for x
    x = 2,331,249,449.86/53,777.76
  6. Step 6: Final answer
    x = 43,349.69

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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.