Home / 56,188.47-77,536.66-30,689.67

Finding the Fourth Proportional to 56,188.47, 77,536.66 and 30,689.67

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Solution

The fourth proportional to 56,188.47, 77,536.66 and 30,689.67 is: 42,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,188.47 : 77,536.66 = 30,689.67 : x
  2. Step 2: Convert to fraction form
    56,188.47/77,536.66 = 30,689.67/x
  3. Step 3: Cross multiply
    56,188.47x = 77,536.66 × 30,689.67
  4. Step 4: Simplify right side
    56,188.47x = 2,379,574,354.85
  5. Step 5: Solve for x
    x = 2,379,574,354.85/56,188.47
  6. Step 6: Final answer
    x = 42,349.87

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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.