Home / 102,725.18-153,875.49-60,475.08

Finding the Fourth Proportional to 102,725.18, 153,875.49 and 60,475.08

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Solution

The fourth proportional to 102,725.18, 153,875.49 and 60,475.08 is: 90,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,725.18 : 153,875.49 = 60,475.08 : x
  2. Step 2: Convert to fraction form
    102,725.18/153,875.49 = 60,475.08/x
  3. Step 3: Cross multiply
    102,725.18x = 153,875.49 × 60,475.08
  4. Step 4: Simplify right side
    102,725.18x = 9,305,632,567.79
  5. Step 5: Solve for x
    x = 9,305,632,567.79/102,725.18
  6. Step 6: Final answer
    x = 90,587.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.