Home / 53,681.33-74,078.80-29,807.39

Finding the Fourth Proportional to 53,681.33, 74,078.80 and 29,807.39

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Solution

The fourth proportional to 53,681.33, 74,078.80 and 29,807.39 is: 41,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.33 : 74,078.80 = 29,807.39 : x
  2. Step 2: Convert to fraction form
    53,681.33/74,078.80 = 29,807.39/x
  3. Step 3: Cross multiply
    53,681.33x = 74,078.80 × 29,807.39
  4. Step 4: Simplify right side
    53,681.33x = 2,208,095,682.33
  5. Step 5: Solve for x
    x = 2,208,095,682.33/53,681.33
  6. Step 6: Final answer
    x = 41,133.40

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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.