Home / 107,131.16-147,838.65-59,384.09

Finding the Fourth Proportional to 107,131.16, 147,838.65 and 59,384.09

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Solution

The fourth proportional to 107,131.16, 147,838.65 and 59,384.09 is: 81,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,131.16 : 147,838.65 = 59,384.09 : x
  2. Step 2: Convert to fraction form
    107,131.16/147,838.65 = 59,384.09/x
  3. Step 3: Cross multiply
    107,131.16x = 147,838.65 × 59,384.09
  4. Step 4: Simplify right side
    107,131.16x = 8,779,263,697.08
  5. Step 5: Solve for x
    x = 8,779,263,697.08/107,131.16
  6. Step 6: Final answer
    x = 81,948.74

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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.