Home / 85,837.86-118,456.51-47,600.10

Finding the Fourth Proportional to 85,837.86, 118,456.51 and 47,600.10

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Solution

The fourth proportional to 85,837.86, 118,456.51 and 47,600.10 is: 65,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,837.86 : 118,456.51 = 47,600.10 : x
  2. Step 2: Convert to fraction form
    85,837.86/118,456.51 = 47,600.10/x
  3. Step 3: Cross multiply
    85,837.86x = 118,456.51 × 47,600.10
  4. Step 4: Simplify right side
    85,837.86x = 5,638,541,721.65
  5. Step 5: Solve for x
    x = 5,638,541,721.65/85,837.86
  6. Step 6: Final answer
    x = 65,688.28

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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.