Home / 95,613.12-143,418.36-42,985.32

Finding the Fourth Proportional to 95,613.12, 143,418.36 and 42,985.32

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Solution

The fourth proportional to 95,613.12, 143,418.36 and 42,985.32 is: 64,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,613.12 : 143,418.36 = 42,985.32 : x
  2. Step 2: Convert to fraction form
    95,613.12/143,418.36 = 42,985.32/x
  3. Step 3: Cross multiply
    95,613.12x = 143,418.36 × 42,985.32
  4. Step 4: Simplify right side
    95,613.12x = 6,164,884,098.48
  5. Step 5: Solve for x
    x = 6,164,884,098.48/95,613.12
  6. Step 6: Final answer
    x = 64,477.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.