Home / 103,822.59-143,278.16-58,501.11

Finding the Fourth Proportional to 103,822.59, 143,278.16 and 58,501.11

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Solution

The fourth proportional to 103,822.59, 143,278.16 and 58,501.11 is: 80,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,822.59 : 143,278.16 = 58,501.11 : x
  2. Step 2: Convert to fraction form
    103,822.59/143,278.16 = 58,501.11/x
  3. Step 3: Cross multiply
    103,822.59x = 143,278.16 × 58,501.11
  4. Step 4: Simplify right side
    103,822.59x = 8,381,931,398.76
  5. Step 5: Solve for x
    x = 8,381,931,398.76/103,822.59
  6. Step 6: Final answer
    x = 80,733.21

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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.