Home / 75,727.19-104,521.34-47,068.50

Finding the Fourth Proportional to 75,727.19, 104,521.34 and 47,068.50

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Solution

The fourth proportional to 75,727.19, 104,521.34 and 47,068.50 is: 64,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,727.19 : 104,521.34 = 47,068.50 : x
  2. Step 2: Convert to fraction form
    75,727.19/104,521.34 = 47,068.50/x
  3. Step 3: Cross multiply
    75,727.19x = 104,521.34 × 47,068.50
  4. Step 4: Simplify right side
    75,727.19x = 4,919,662,691.79
  5. Step 5: Solve for x
    x = 4,919,662,691.79/75,727.19
  6. Step 6: Final answer
    x = 64,965.60

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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.