Home / 75,144.51-103,675.95-43,309.08

Finding the Fourth Proportional to 75,144.51, 103,675.95 and 43,309.08

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Solution

The fourth proportional to 75,144.51, 103,675.95 and 43,309.08 is: 59,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.51 : 103,675.95 = 43,309.08 : x
  2. Step 2: Convert to fraction form
    75,144.51/103,675.95 = 43,309.08/x
  3. Step 3: Cross multiply
    75,144.51x = 103,675.95 × 43,309.08
  4. Step 4: Simplify right side
    75,144.51x = 4,490,110,012.63
  5. Step 5: Solve for x
    x = 4,490,110,012.63/75,144.51
  6. Step 6: Final answer
    x = 59,753.00

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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.