Home / 99,033.66-136,663.89-56,592.20

Finding the Fourth Proportional to 99,033.66, 136,663.89 and 56,592.20

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Solution

The fourth proportional to 99,033.66, 136,663.89 and 56,592.20 is: 78,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.66 : 136,663.89 = 56,592.20 : x
  2. Step 2: Convert to fraction form
    99,033.66/136,663.89 = 56,592.20/x
  3. Step 3: Cross multiply
    99,033.66x = 136,663.89 × 56,592.20
  4. Step 4: Simplify right side
    99,033.66x = 7,734,109,512.34
  5. Step 5: Solve for x
    x = 7,734,109,512.34/99,033.66
  6. Step 6: Final answer
    x = 78,095.77

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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.