Home / 117,828.19-162,602.17-64,113.40

Finding the Fourth Proportional to 117,828.19, 162,602.17 and 64,113.40

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Solution

The fourth proportional to 117,828.19, 162,602.17 and 64,113.40 is: 88,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,828.19 : 162,602.17 = 64,113.40 : x
  2. Step 2: Convert to fraction form
    117,828.19/162,602.17 = 64,113.40/x
  3. Step 3: Cross multiply
    117,828.19x = 162,602.17 × 64,113.40
  4. Step 4: Simplify right side
    117,828.19x = 10,424,977,966.08
  5. Step 5: Solve for x
    x = 10,424,977,966.08/117,828.19
  6. Step 6: Final answer
    x = 88,476.09

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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.