Home / 85,901.50-118,544.14-48,175.75

Finding the Fourth Proportional to 85,901.50, 118,544.14 and 48,175.75

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Solution

The fourth proportional to 85,901.50, 118,544.14 and 48,175.75 is: 66,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,901.50 : 118,544.14 = 48,175.75 : x
  2. Step 2: Convert to fraction form
    85,901.50/118,544.14 = 48,175.75/x
  3. Step 3: Cross multiply
    85,901.50x = 118,544.14 × 48,175.75
  4. Step 4: Simplify right side
    85,901.50x = 5,710,952,852.61
  5. Step 5: Solve for x
    x = 5,710,952,852.61/85,901.50
  6. Step 6: Final answer
    x = 66,482.57

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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.