Home / 61,184.58-84,406.05-39,681.13

Finding the Fourth Proportional to 61,184.58, 84,406.05 and 39,681.13

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Solution

The fourth proportional to 61,184.58, 84,406.05 and 39,681.13 is: 54,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,184.58 : 84,406.05 = 39,681.13 : x
  2. Step 2: Convert to fraction form
    61,184.58/84,406.05 = 39,681.13/x
  3. Step 3: Cross multiply
    61,184.58x = 84,406.05 × 39,681.13
  4. Step 4: Simplify right side
    61,184.58x = 3,349,327,442.84
  5. Step 5: Solve for x
    x = 3,349,327,442.84/61,184.58
  6. Step 6: Final answer
    x = 54,741.37

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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.