Home / 102,600.16-141,570.68-57,275.80

Finding the Fourth Proportional to 102,600.16, 141,570.68 and 57,275.80

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Solution

The fourth proportional to 102,600.16, 141,570.68 and 57,275.80 is: 79,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,600.16 : 141,570.68 = 57,275.80 : x
  2. Step 2: Convert to fraction form
    102,600.16/141,570.68 = 57,275.80/x
  3. Step 3: Cross multiply
    102,600.16x = 141,570.68 × 57,275.80
  4. Step 4: Simplify right side
    102,600.16x = 8,108,573,953.54
  5. Step 5: Solve for x
    x = 8,108,573,953.54/102,600.16
  6. Step 6: Final answer
    x = 79,030.81

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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.