Home / 102,792.36-141,883.50-59,781.93

Finding the Fourth Proportional to 102,792.36, 141,883.50 and 59,781.93

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Solution

The fourth proportional to 102,792.36, 141,883.50 and 59,781.93 is: 82,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,792.36 : 141,883.50 = 59,781.93 : x
  2. Step 2: Convert to fraction form
    102,792.36/141,883.50 = 59,781.93/x
  3. Step 3: Cross multiply
    102,792.36x = 141,883.50 × 59,781.93
  4. Step 4: Simplify right side
    102,792.36x = 8,482,069,465.16
  5. Step 5: Solve for x
    x = 8,482,069,465.16/102,792.36
  6. Step 6: Final answer
    x = 82,516.54

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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.