Home / 99,035.46-136,666.80-56,009.28

Finding the Fourth Proportional to 99,035.46, 136,666.80 and 56,009.28

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Solution

The fourth proportional to 99,035.46, 136,666.80 and 56,009.28 is: 77,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,035.46 : 136,666.80 = 56,009.28 : x
  2. Step 2: Convert to fraction form
    99,035.46/136,666.80 = 56,009.28/x
  3. Step 3: Cross multiply
    99,035.46x = 136,666.80 × 56,009.28
  4. Step 4: Simplify right side
    99,035.46x = 7,654,609,067.90
  5. Step 5: Solve for x
    x = 7,654,609,067.90/99,035.46
  6. Step 6: Final answer
    x = 77,291.60

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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.