Home / 94,637.12-142,054.14-69,705.32

Finding the Fourth Proportional to 94,637.12, 142,054.14 and 69,705.32

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Solution

The fourth proportional to 94,637.12, 142,054.14 and 69,705.32 is: 104,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,637.12 : 142,054.14 = 69,705.32 : x
  2. Step 2: Convert to fraction form
    94,637.12/142,054.14 = 69,705.32/x
  3. Step 3: Cross multiply
    94,637.12x = 142,054.14 × 69,705.32
  4. Step 4: Simplify right side
    94,637.12x = 9,901,929,286.02
  5. Step 5: Solve for x
    x = 9,901,929,286.02/94,637.12
  6. Step 6: Final answer
    x = 104,630.50

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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.