Home / 61,215.13-84,480.63-34,359.38

Finding the Fourth Proportional to 61,215.13, 84,480.63 and 34,359.38

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Solution

The fourth proportional to 61,215.13, 84,480.63 and 34,359.38 is: 47,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.13 : 84,480.63 = 34,359.38 : x
  2. Step 2: Convert to fraction form
    61,215.13/84,480.63 = 34,359.38/x
  3. Step 3: Cross multiply
    61,215.13x = 84,480.63 × 34,359.38
  4. Step 4: Simplify right side
    61,215.13x = 2,902,702,068.81
  5. Step 5: Solve for x
    x = 2,902,702,068.81/61,215.13
  6. Step 6: Final answer
    x = 47,418.05

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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.