Home / 75,246.18-103,818.72-59,281.08

Finding the Fourth Proportional to 75,246.18, 103,818.72 and 59,281.08

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Solution

The fourth proportional to 75,246.18, 103,818.72 and 59,281.08 is: 81,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,246.18 : 103,818.72 = 59,281.08 : x
  2. Step 2: Convert to fraction form
    75,246.18/103,818.72 = 59,281.08/x
  3. Step 3: Cross multiply
    75,246.18x = 103,818.72 × 59,281.08
  4. Step 4: Simplify right side
    75,246.18x = 6,154,485,845.82
  5. Step 5: Solve for x
    x = 6,154,485,845.82/75,246.18
  6. Step 6: Final answer
    x = 81,791.34

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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.