Home / 56,029.10-77,317.88-30,534.91

Finding the Fourth Proportional to 56,029.10, 77,317.88 and 30,534.91

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Solution

The fourth proportional to 56,029.10, 77,317.88 and 30,534.91 is: 42,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,029.10 : 77,317.88 = 30,534.91 : x
  2. Step 2: Convert to fraction form
    56,029.10/77,317.88 = 30,534.91/x
  3. Step 3: Cross multiply
    56,029.10x = 77,317.88 × 30,534.91
  4. Step 4: Simplify right side
    56,029.10x = 2,360,894,161.22
  5. Step 5: Solve for x
    x = 2,360,894,161.22/56,029.10
  6. Step 6: Final answer
    x = 42,136.93

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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.