Home / 107,106.18-147,805.63-58,710.81

Finding the Fourth Proportional to 107,106.18, 147,805.63 and 58,710.81

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Solution

The fourth proportional to 107,106.18, 147,805.63 and 58,710.81 is: 81,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.18 : 147,805.63 = 58,710.81 : x
  2. Step 2: Convert to fraction form
    107,106.18/147,805.63 = 58,710.81/x
  3. Step 3: Cross multiply
    107,106.18x = 147,805.63 × 58,710.81
  4. Step 4: Simplify right side
    107,106.18x = 8,677,788,259.86
  5. Step 5: Solve for x
    x = 8,677,788,259.86/107,106.18
  6. Step 6: Final answer
    x = 81,020.43

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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.