Home / 85,841.98-118,455.51-48,108.94

Finding the Fourth Proportional to 85,841.98, 118,455.51 and 48,108.94

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Solution

The fourth proportional to 85,841.98, 118,455.51 and 48,108.94 is: 66,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,841.98 : 118,455.51 = 48,108.94 : x
  2. Step 2: Convert to fraction form
    85,841.98/118,455.51 = 48,108.94/x
  3. Step 3: Cross multiply
    85,841.98x = 118,455.51 × 48,108.94
  4. Step 4: Simplify right side
    85,841.98x = 5,698,768,907.53
  5. Step 5: Solve for x
    x = 5,698,768,907.53/85,841.98
  6. Step 6: Final answer
    x = 66,386.74

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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.