Home / 67,465.60-101,188.84-42,429.28

Finding the Fourth Proportional to 67,465.60, 101,188.84 and 42,429.28

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Solution

The fourth proportional to 67,465.60, 101,188.84 and 42,429.28 is: 63,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,465.60 : 101,188.84 = 42,429.28 : x
  2. Step 2: Convert to fraction form
    67,465.60/101,188.84 = 42,429.28/x
  3. Step 3: Cross multiply
    67,465.60x = 101,188.84 × 42,429.28
  4. Step 4: Simplify right side
    67,465.60x = 4,293,369,625.24
  5. Step 5: Solve for x
    x = 4,293,369,625.24/67,465.60
  6. Step 6: Final answer
    x = 63,637.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.