Home / 99,248.06-136,968.45-56,805.62

Finding the Fourth Proportional to 99,248.06, 136,968.45 and 56,805.62

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Solution

The fourth proportional to 99,248.06, 136,968.45 and 56,805.62 is: 78,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,248.06 : 136,968.45 = 56,805.62 : x
  2. Step 2: Convert to fraction form
    99,248.06/136,968.45 = 56,805.62/x
  3. Step 3: Cross multiply
    99,248.06x = 136,968.45 × 56,805.62
  4. Step 4: Simplify right side
    99,248.06x = 7,780,577,722.69
  5. Step 5: Solve for x
    x = 7,780,577,722.69/99,248.06
  6. Step 6: Final answer
    x = 78,395.26

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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.