Home / 107,042.69-147,718.91-59,299.13

Finding the Fourth Proportional to 107,042.69, 147,718.91 and 59,299.13

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Solution

The fourth proportional to 107,042.69, 147,718.91 and 59,299.13 is: 81,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,042.69 : 147,718.91 = 59,299.13 : x
  2. Step 2: Convert to fraction form
    107,042.69/147,718.91 = 59,299.13/x
  3. Step 3: Cross multiply
    107,042.69x = 147,718.91 × 59,299.13
  4. Step 4: Simplify right side
    107,042.69x = 8,759,602,847.55
  5. Step 5: Solve for x
    x = 8,759,602,847.55/107,042.69
  6. Step 6: Final answer
    x = 81,832.80

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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.