Home / 104,137.04-143,708.91-56,390.24

Finding the Fourth Proportional to 104,137.04, 143,708.91 and 56,390.24

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Solution

The fourth proportional to 104,137.04, 143,708.91 and 56,390.24 is: 77,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,137.04 : 143,708.91 = 56,390.24 : x
  2. Step 2: Convert to fraction form
    104,137.04/143,708.91 = 56,390.24/x
  3. Step 3: Cross multiply
    104,137.04x = 143,708.91 × 56,390.24
  4. Step 4: Simplify right side
    104,137.04x = 8,103,779,925.04
  5. Step 5: Solve for x
    x = 8,103,779,925.04/104,137.04
  6. Step 6: Final answer
    x = 77,818.42

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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.