Home / 89,968.36-124,032.18-64,495.48

Finding the Fourth Proportional to 89,968.36, 124,032.18 and 64,495.48

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Solution

The fourth proportional to 89,968.36, 124,032.18 and 64,495.48 is: 88,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,968.36 : 124,032.18 = 64,495.48 : x
  2. Step 2: Convert to fraction form
    89,968.36/124,032.18 = 64,495.48/x
  3. Step 3: Cross multiply
    89,968.36x = 124,032.18 × 64,495.48
  4. Step 4: Simplify right side
    89,968.36x = 7,999,514,984.55
  5. Step 5: Solve for x
    x = 7,999,514,984.55/89,968.36
  6. Step 6: Final answer
    x = 88,914.76

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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.