Home / 104,084.51-143,637.69-56,338.88

Finding the Fourth Proportional to 104,084.51, 143,637.69 and 56,338.88

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Solution

The fourth proportional to 104,084.51, 143,637.69 and 56,338.88 is: 77,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.51 : 143,637.69 = 56,338.88 : x
  2. Step 2: Convert to fraction form
    104,084.51/143,637.69 = 56,338.88/x
  3. Step 3: Cross multiply
    104,084.51x = 143,637.69 × 56,338.88
  4. Step 4: Simplify right side
    104,084.51x = 8,092,386,580.39
  5. Step 5: Solve for x
    x = 8,092,386,580.39/104,084.51
  6. Step 6: Final answer
    x = 77,748.23

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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.