Home / 99,260.96-136,985.37-56,248.79

Finding the Fourth Proportional to 99,260.96, 136,985.37 and 56,248.79

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Solution

The fourth proportional to 99,260.96, 136,985.37 and 56,248.79 is: 77,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.96 : 136,985.37 = 56,248.79 : x
  2. Step 2: Convert to fraction form
    99,260.96/136,985.37 = 56,248.79/x
  3. Step 3: Cross multiply
    99,260.96x = 136,985.37 × 56,248.79
  4. Step 4: Simplify right side
    99,260.96x = 7,705,260,625.28
  5. Step 5: Solve for x
    x = 7,705,260,625.28/99,260.96
  6. Step 6: Final answer
    x = 77,626.30

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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.