Home / 91,055.16-136,577.84-27,875.30

Finding the Fourth Proportional to 91,055.16, 136,577.84 and 27,875.30

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Solution

The fourth proportional to 91,055.16, 136,577.84 and 27,875.30 is: 41,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.16 : 136,577.84 = 27,875.30 : x
  2. Step 2: Convert to fraction form
    91,055.16/136,577.84 = 27,875.30/x
  3. Step 3: Cross multiply
    91,055.16x = 136,577.84 × 27,875.30
  4. Step 4: Simplify right side
    91,055.16x = 3,807,148,263.35
  5. Step 5: Solve for x
    x = 3,807,148,263.35/91,055.16
  6. Step 6: Final answer
    x = 41,811.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.