Home / 104,677.40-144,460.71-56,929.79

Finding the Fourth Proportional to 104,677.40, 144,460.71 and 56,929.79

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Solution

The fourth proportional to 104,677.40, 144,460.71 and 56,929.79 is: 78,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,677.40 : 144,460.71 = 56,929.79 : x
  2. Step 2: Convert to fraction form
    104,677.40/144,460.71 = 56,929.79/x
  3. Step 3: Cross multiply
    104,677.40x = 144,460.71 × 56,929.79
  4. Step 4: Simplify right side
    104,677.40x = 8,224,117,161.25
  5. Step 5: Solve for x
    x = 8,224,117,161.25/104,677.40
  6. Step 6: Final answer
    x = 78,566.31

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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.