Home / 104,432.40-144,117.44-56,685.74

Finding the Fourth Proportional to 104,432.40, 144,117.44 and 56,685.74

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Solution

The fourth proportional to 104,432.40, 144,117.44 and 56,685.74 is: 78,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,432.40 : 144,117.44 = 56,685.74 : x
  2. Step 2: Convert to fraction form
    104,432.40/144,117.44 = 56,685.74/x
  3. Step 3: Cross multiply
    104,432.40x = 144,117.44 × 56,685.74
  4. Step 4: Simplify right side
    104,432.40x = 8,169,403,733.31
  5. Step 5: Solve for x
    x = 8,169,403,733.31/104,432.40
  6. Step 6: Final answer
    x = 78,226.72

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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.