Home / 86,045.58-118,730.07-48,312.54

Finding the Fourth Proportional to 86,045.58, 118,730.07 and 48,312.54

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Solution

The fourth proportional to 86,045.58, 118,730.07 and 48,312.54 is: 66,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,045.58 : 118,730.07 = 48,312.54 : x
  2. Step 2: Convert to fraction form
    86,045.58/118,730.07 = 48,312.54/x
  3. Step 3: Cross multiply
    86,045.58x = 118,730.07 × 48,312.54
  4. Step 4: Simplify right side
    86,045.58x = 5,736,151,256.08
  5. Step 5: Solve for x
    x = 5,736,151,256.08/86,045.58
  6. Step 6: Final answer
    x = 66,664.10

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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.