Home / 102,837.06-141,904.17-57,510.36

Finding the Fourth Proportional to 102,837.06, 141,904.17 and 57,510.36

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Solution

The fourth proportional to 102,837.06, 141,904.17 and 57,510.36 is: 79,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,837.06 : 141,904.17 = 57,510.36 : x
  2. Step 2: Convert to fraction form
    102,837.06/141,904.17 = 57,510.36/x
  3. Step 3: Cross multiply
    102,837.06x = 141,904.17 × 57,510.36
  4. Step 4: Simplify right side
    102,837.06x = 8,160,959,902.20
  5. Step 5: Solve for x
    x = 8,160,959,902.20/102,837.06
  6. Step 6: Final answer
    x = 79,358.16

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1.5x scale

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.