Home / 104,298.67-143,931.30-58,985.55

Finding the Fourth Proportional to 104,298.67, 143,931.30 and 58,985.55

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Solution

The fourth proportional to 104,298.67, 143,931.30 and 58,985.55 is: 81,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,298.67 : 143,931.30 = 58,985.55 : x
  2. Step 2: Convert to fraction form
    104,298.67/143,931.30 = 58,985.55/x
  3. Step 3: Cross multiply
    104,298.67x = 143,931.30 × 58,985.55
  4. Step 4: Simplify right side
    104,298.67x = 8,489,866,892.72
  5. Step 5: Solve for x
    x = 8,489,866,892.72/104,298.67
  6. Step 6: Final answer
    x = 81,399.57

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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.