Home / 61,897.13-85,437.48-39,541.13

Finding the Fourth Proportional to 61,897.13, 85,437.48 and 39,541.13

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Solution

The fourth proportional to 61,897.13, 85,437.48 and 39,541.13 is: 54,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.13 : 85,437.48 = 39,541.13 : x
  2. Step 2: Convert to fraction form
    61,897.13/85,437.48 = 39,541.13/x
  3. Step 3: Cross multiply
    61,897.13x = 85,437.48 × 39,541.13
  4. Step 4: Simplify right side
    61,897.13x = 3,378,294,076.37
  5. Step 5: Solve for x
    x = 3,378,294,076.37/61,897.13
  6. Step 6: Final answer
    x = 54,579.18

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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.