Home / 56,174.90-77,521.94-30,681.99

Finding the Fourth Proportional to 56,174.90, 77,521.94 and 30,681.99

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Solution

The fourth proportional to 56,174.90, 77,521.94 and 30,681.99 is: 42,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,174.90 : 77,521.94 = 30,681.99 : x
  2. Step 2: Convert to fraction form
    56,174.90/77,521.94 = 30,681.99/x
  3. Step 3: Cross multiply
    56,174.90x = 77,521.94 × 30,681.99
  4. Step 4: Simplify right side
    56,174.90x = 2,378,527,640.22
  5. Step 5: Solve for x
    x = 2,378,527,640.22/56,174.90
  6. Step 6: Final answer
    x = 42,341.47

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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.