Home / 85,948.16-118,606.60-47,705.47

Finding the Fourth Proportional to 85,948.16, 118,606.60 and 47,705.47

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Solution

The fourth proportional to 85,948.16, 118,606.60 and 47,705.47 is: 65,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,948.16 : 118,606.60 = 47,705.47 : x
  2. Step 2: Convert to fraction form
    85,948.16/118,606.60 = 47,705.47/x
  3. Step 3: Cross multiply
    85,948.16x = 118,606.60 × 47,705.47
  4. Step 4: Simplify right side
    85,948.16x = 5,658,183,598.10
  5. Step 5: Solve for x
    x = 5,658,183,598.10/85,948.16
  6. Step 6: Final answer
    x = 65,832.52

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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.