Home / 53,709.60-74,117.64-29,510.52

Finding the Fourth Proportional to 53,709.60, 74,117.64 and 29,510.52

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Solution

The fourth proportional to 53,709.60, 74,117.64 and 29,510.52 is: 40,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.60 : 74,117.64 = 29,510.52 : x
  2. Step 2: Convert to fraction form
    53,709.60/74,117.64 = 29,510.52/x
  3. Step 3: Cross multiply
    53,709.60x = 74,117.64 × 29,510.52
  4. Step 4: Simplify right side
    53,709.60x = 2,187,250,097.57
  5. Step 5: Solve for x
    x = 2,187,250,097.57/53,709.60
  6. Step 6: Final answer
    x = 40,723.63

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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.