Home / 117,888.51-162,686.16-64,173.93

Finding the Fourth Proportional to 117,888.51, 162,686.16 and 64,173.93

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Solution

The fourth proportional to 117,888.51, 162,686.16 and 64,173.93 is: 88,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.51 : 162,686.16 = 64,173.93 : x
  2. Step 2: Convert to fraction form
    117,888.51/162,686.16 = 64,173.93/x
  3. Step 3: Cross multiply
    117,888.51x = 162,686.16 × 64,173.93
  4. Step 4: Simplify right side
    117,888.51x = 10,440,210,243.81
  5. Step 5: Solve for x
    x = 10,440,210,243.81/117,888.51
  6. Step 6: Final answer
    x = 88,560.03

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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.