Home / 55,541.13-76,567.02-39,597.90

Finding the Fourth Proportional to 55,541.13, 76,567.02 and 39,597.90

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Solution

The fourth proportional to 55,541.13, 76,567.02 and 39,597.90 is: 54,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.13 : 76,567.02 = 39,597.90 : x
  2. Step 2: Convert to fraction form
    55,541.13/76,567.02 = 39,597.90/x
  3. Step 3: Cross multiply
    55,541.13x = 76,567.02 × 39,597.90
  4. Step 4: Simplify right side
    55,541.13x = 3,031,893,201.26
  5. Step 5: Solve for x
    x = 3,031,893,201.26/55,541.13
  6. Step 6: Final answer
    x = 54,588.25

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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.