Home / 85,854.04-118,478.57-47,619.44

Finding the Fourth Proportional to 85,854.04, 118,478.57 and 47,619.44

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Solution

The fourth proportional to 85,854.04, 118,478.57 and 47,619.44 is: 65,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,854.04 : 118,478.57 = 47,619.44 : x
  2. Step 2: Convert to fraction form
    85,854.04/118,478.57 = 47,619.44/x
  3. Step 3: Cross multiply
    85,854.04x = 118,478.57 × 47,619.44
  4. Step 4: Simplify right side
    85,854.04x = 5,641,883,155.40
  5. Step 5: Solve for x
    x = 5,641,883,155.40/85,854.04
  6. Step 6: Final answer
    x = 65,714.82

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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.