Home / 99,089.04-136,666.44-68,873.76

Finding the Fourth Proportional to 99,089.04, 136,666.44 and 68,873.76

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Solution

The fourth proportional to 99,089.04, 136,666.44 and 68,873.76 is: 94,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089.04 : 136,666.44 = 68,873.76 : x
  2. Step 2: Convert to fraction form
    99,089.04/136,666.44 = 68,873.76/x
  3. Step 3: Cross multiply
    99,089.04x = 136,666.44 × 68,873.76
  4. Step 4: Simplify right side
    99,089.04x = 9,412,731,588.61
  5. Step 5: Solve for x
    x = 9,412,731,588.61/99,089.04
  6. Step 6: Final answer
    x = 94,992.66

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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.