Home / 85,746.62-118,328.76-47,505.35

Finding the Fourth Proportional to 85,746.62, 118,328.76 and 47,505.35

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Solution

The fourth proportional to 85,746.62, 118,328.76 and 47,505.35 is: 65,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,746.62 : 118,328.76 = 47,505.35 : x
  2. Step 2: Convert to fraction form
    85,746.62/118,328.76 = 47,505.35/x
  3. Step 3: Cross multiply
    85,746.62x = 118,328.76 × 47,505.35
  4. Step 4: Simplify right side
    85,746.62x = 5,621,248,567.22
  5. Step 5: Solve for x
    x = 5,621,248,567.22/85,746.62
  6. Step 6: Final answer
    x = 65,556.51

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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.