Home / 117,497.15-162,144.95-63,781.01

Finding the Fourth Proportional to 117,497.15, 162,144.95 and 63,781.01

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Solution

The fourth proportional to 117,497.15, 162,144.95 and 63,781.01 is: 88,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,497.15 : 162,144.95 = 63,781.01 : x
  2. Step 2: Convert to fraction form
    117,497.15/162,144.95 = 63,781.01/x
  3. Step 3: Cross multiply
    117,497.15x = 162,144.95 × 63,781.01
  4. Step 4: Simplify right side
    117,497.15x = 10,341,767,547.77
  5. Step 5: Solve for x
    x = 10,341,767,547.77/117,497.15
  6. Step 6: Final answer
    x = 88,017.18

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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.