Home / 67,730.10-101,545.93-28,298.49

Finding the Fourth Proportional to 67,730.10, 101,545.93 and 28,298.49

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Solution

The fourth proportional to 67,730.10, 101,545.93 and 28,298.49 is: 42,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,730.10 : 101,545.93 = 28,298.49 : x
  2. Step 2: Convert to fraction form
    67,730.10/101,545.93 = 28,298.49/x
  3. Step 3: Cross multiply
    67,730.10x = 101,545.93 × 28,298.49
  4. Step 4: Simplify right side
    67,730.10x = 2,873,596,484.65
  5. Step 5: Solve for x
    x = 2,873,596,484.65/67,730.10
  6. Step 6: Final answer
    x = 42,427.17

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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.