Home / 104,372.08-143,999.36-59,045.68

Finding the Fourth Proportional to 104,372.08, 143,999.36 and 59,045.68

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Solution

The fourth proportional to 104,372.08, 143,999.36 and 59,045.68 is: 81,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,372.08 : 143,999.36 = 59,045.68 : x
  2. Step 2: Convert to fraction form
    104,372.08/143,999.36 = 59,045.68/x
  3. Step 3: Cross multiply
    104,372.08x = 143,999.36 × 59,045.68
  4. Step 4: Simplify right side
    104,372.08x = 8,502,540,130.76
  5. Step 5: Solve for x
    x = 8,502,540,130.76/104,372.08
  6. Step 6: Final answer
    x = 81,463.74

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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.