Home / 103,827.84-143,283.52-59,116.16

Finding the Fourth Proportional to 103,827.84, 143,283.52 and 59,116.16

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Solution

The fourth proportional to 103,827.84, 143,283.52 and 59,116.16 is: 81,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,827.84 : 143,283.52 = 59,116.16 : x
  2. Step 2: Convert to fraction form
    103,827.84/143,283.52 = 59,116.16/x
  3. Step 3: Cross multiply
    103,827.84x = 143,283.52 × 59,116.16
  4. Step 4: Simplify right side
    103,827.84x = 8,470,371,493.68
  5. Step 5: Solve for x
    x = 8,470,371,493.68/103,827.84
  6. Step 6: Final answer
    x = 81,580.93

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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.