Home / 55,545.71-76,688.84-49,567.10

Finding the Fourth Proportional to 55,545.71, 76,688.84 and 49,567.10

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Solution

The fourth proportional to 55,545.71, 76,688.84 and 49,567.10 is: 68,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.71 : 76,688.84 = 49,567.10 : x
  2. Step 2: Convert to fraction form
    55,545.71/76,688.84 = 49,567.10/x
  3. Step 3: Cross multiply
    55,545.71x = 76,688.84 × 49,567.10
  4. Step 4: Simplify right side
    55,545.71x = 3,801,243,141.64
  5. Step 5: Solve for x
    x = 3,801,243,141.64/55,545.71
  6. Step 6: Final answer
    x = 68,434.51

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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.