Home / 104,772.30-144,637.04-70,304.70

Finding the Fourth Proportional to 104,772.30, 144,637.04 and 70,304.70

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Solution

The fourth proportional to 104,772.30, 144,637.04 and 70,304.70 is: 97,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.30 : 144,637.04 = 70,304.70 : x
  2. Step 2: Convert to fraction form
    104,772.30/144,637.04 = 70,304.70/x
  3. Step 3: Cross multiply
    104,772.30x = 144,637.04 × 70,304.70
  4. Step 4: Simplify right side
    104,772.30x = 10,168,663,706.09
  5. Step 5: Solve for x
    x = 10,168,663,706.09/104,772.30
  6. Step 6: Final answer
    x = 97,054.89

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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.