Home / 86,035.26-118,677.16-54,148.80

Finding the Fourth Proportional to 86,035.26, 118,677.16 and 54,148.80

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Solution

The fourth proportional to 86,035.26, 118,677.16 and 54,148.80 is: 74,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,035.26 : 118,677.16 = 54,148.80 : x
  2. Step 2: Convert to fraction form
    86,035.26/118,677.16 = 54,148.80/x
  3. Step 3: Cross multiply
    86,035.26x = 118,677.16 × 54,148.80
  4. Step 4: Simplify right side
    86,035.26x = 6,426,225,801.41
  5. Step 5: Solve for x
    x = 6,426,225,801.41/86,035.26
  6. Step 6: Final answer
    x = 74,692.93

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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.