Home / 53,140.10-73,336.65-29,266.76

Finding the Fourth Proportional to 53,140.10, 73,336.65 and 29,266.76

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Solution

The fourth proportional to 53,140.10, 73,336.65 and 29,266.76 is: 40,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.10 : 73,336.65 = 29,266.76 : x
  2. Step 2: Convert to fraction form
    53,140.10/73,336.65 = 29,266.76/x
  3. Step 3: Cross multiply
    53,140.10x = 73,336.65 × 29,266.76
  4. Step 4: Simplify right side
    53,140.10x = 2,146,326,393.79
  5. Step 5: Solve for x
    x = 2,146,326,393.79/53,140.10
  6. Step 6: Final answer
    x = 40,389.96

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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.