Home / 117,746.51-162,526.62-87,572.70

Finding the Fourth Proportional to 117,746.51, 162,526.62 and 87,572.70

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Solution

The fourth proportional to 117,746.51, 162,526.62 and 87,572.70 is: 120,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.51 : 162,526.62 = 87,572.70 : x
  2. Step 2: Convert to fraction form
    117,746.51/162,526.62 = 87,572.70/x
  3. Step 3: Cross multiply
    117,746.51x = 162,526.62 × 87,572.70
  4. Step 4: Simplify right side
    117,746.51x = 14,232,895,228.18
  5. Step 5: Solve for x
    x = 14,232,895,228.18/117,746.51
  6. Step 6: Final answer
    x = 120,877.43

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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.