Home / 56,122.55-77,446.01-31,920.24

Finding the Fourth Proportional to 56,122.55, 77,446.01 and 31,920.24

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Solution

The fourth proportional to 56,122.55, 77,446.01 and 31,920.24 is: 44,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.55 : 77,446.01 = 31,920.24 : x
  2. Step 2: Convert to fraction form
    56,122.55/77,446.01 = 31,920.24/x
  3. Step 3: Cross multiply
    56,122.55x = 77,446.01 × 31,920.24
  4. Step 4: Simplify right side
    56,122.55x = 2,472,095,066.64
  5. Step 5: Solve for x
    x = 2,472,095,066.64/56,122.55
  6. Step 6: Final answer
    x = 44,048.16

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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.