Home / 53,740.08-74,160.77-29,866.28

Finding the Fourth Proportional to 53,740.08, 74,160.77 and 29,866.28

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Solution

The fourth proportional to 53,740.08, 74,160.77 and 29,866.28 is: 41,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.08 : 74,160.77 = 29,866.28 : x
  2. Step 2: Convert to fraction form
    53,740.08/74,160.77 = 29,866.28/x
  3. Step 3: Cross multiply
    53,740.08x = 74,160.77 × 29,866.28
  4. Step 4: Simplify right side
    53,740.08x = 2,214,905,801.70
  5. Step 5: Solve for x
    x = 2,214,905,801.70/53,740.08
  6. Step 6: Final answer
    x = 41,215.16

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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.