Home / 107,080.65-147,533.40-70,717.52

Finding the Fourth Proportional to 107,080.65, 147,533.40 and 70,717.52

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Solution

The fourth proportional to 107,080.65, 147,533.40 and 70,717.52 is: 97,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,080.65 : 147,533.40 = 70,717.52 : x
  2. Step 2: Convert to fraction form
    107,080.65/147,533.40 = 70,717.52/x
  3. Step 3: Cross multiply
    107,080.65x = 147,533.40 × 70,717.52
  4. Step 4: Simplify right side
    107,080.65x = 10,433,196,534.00
  5. Step 5: Solve for x
    x = 10,433,196,534.00/107,080.65
  6. Step 6: Final answer
    x = 97,433.07

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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.