Home / 61,387.04-84,716.64-34,530.80

Finding the Fourth Proportional to 61,387.04, 84,716.64 and 34,530.80

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Solution

The fourth proportional to 61,387.04, 84,716.64 and 34,530.80 is: 47,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,387.04 : 84,716.64 = 34,530.80 : x
  2. Step 2: Convert to fraction form
    61,387.04/84,716.64 = 34,530.80/x
  3. Step 3: Cross multiply
    61,387.04x = 84,716.64 × 34,530.80
  4. Step 4: Simplify right side
    61,387.04x = 2,925,333,352.51
  5. Step 5: Solve for x
    x = 2,925,333,352.51/61,387.04
  6. Step 6: Final answer
    x = 47,653.92

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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.