Home / 99,070.49-136,732.28-63,284.33

Finding the Fourth Proportional to 99,070.49, 136,732.28 and 63,284.33

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Solution

The fourth proportional to 99,070.49, 136,732.28 and 63,284.33 is: 87,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.49 : 136,732.28 = 63,284.33 : x
  2. Step 2: Convert to fraction form
    99,070.49/136,732.28 = 63,284.33/x
  3. Step 3: Cross multiply
    99,070.49x = 136,732.28 × 63,284.33
  4. Step 4: Simplify right side
    99,070.49x = 8,653,010,412.75
  5. Step 5: Solve for x
    x = 8,653,010,412.75/99,070.49
  6. Step 6: Final answer
    x = 87,341.96

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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.