Home / 85,841.19-118,458.72-47,600.89

Finding the Fourth Proportional to 85,841.19, 118,458.72 and 47,600.89

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Solution

The fourth proportional to 85,841.19, 118,458.72 and 47,600.89 is: 65,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,841.19 : 118,458.72 = 47,600.89 : x
  2. Step 2: Convert to fraction form
    85,841.19/118,458.72 = 47,600.89/x
  3. Step 3: Cross multiply
    85,841.19x = 118,458.72 × 47,600.89
  4. Step 4: Simplify right side
    85,841.19x = 5,638,740,204.11
  5. Step 5: Solve for x
    x = 5,638,740,204.11/85,841.19
  6. Step 6: Final answer
    x = 65,688.05

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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.