Home / 104,117.50-143,671.12-58,792.74

Finding the Fourth Proportional to 104,117.50, 143,671.12 and 58,792.74

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Solution

The fourth proportional to 104,117.50, 143,671.12 and 58,792.74 is: 81,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,117.50 : 143,671.12 = 58,792.74 : x
  2. Step 2: Convert to fraction form
    104,117.50/143,671.12 = 58,792.74/x
  3. Step 3: Cross multiply
    104,117.50x = 143,671.12 × 58,792.74
  4. Step 4: Simplify right side
    104,117.50x = 8,446,818,803.67
  5. Step 5: Solve for x
    x = 8,446,818,803.67/104,117.50
  6. Step 6: Final answer
    x = 81,127.75

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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.