Home / 82,442.48-113,646.56-64,506.32

Finding the Fourth Proportional to 82,442.48, 113,646.56 and 64,506.32

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Solution

The fourth proportional to 82,442.48, 113,646.56 and 64,506.32 is: 88,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,442.48 : 113,646.56 = 64,506.32 : x
  2. Step 2: Convert to fraction form
    82,442.48/113,646.56 = 64,506.32/x
  3. Step 3: Cross multiply
    82,442.48x = 113,646.56 × 64,506.32
  4. Step 4: Simplify right side
    82,442.48x = 7,330,921,366.26
  5. Step 5: Solve for x
    x = 7,330,921,366.26/82,442.48
  6. Step 6: Final answer
    x = 88,921.65

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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.