Home / 85,899.06-118,630.80-59,110.74

Finding the Fourth Proportional to 85,899.06, 118,630.80 and 59,110.74

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Solution

The fourth proportional to 85,899.06, 118,630.80 and 59,110.74 is: 81,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,899.06 : 118,630.80 = 59,110.74 : x
  2. Step 2: Convert to fraction form
    85,899.06/118,630.80 = 59,110.74/x
  3. Step 3: Cross multiply
    85,899.06x = 118,630.80 × 59,110.74
  4. Step 4: Simplify right side
    85,899.06x = 7,012,354,374.79
  5. Step 5: Solve for x
    x = 7,012,354,374.79/85,899.06
  6. Step 6: Final answer
    x = 81,634.82

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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.