Home / 105,053.20-157,573.14-42,722.08

Finding the Fourth Proportional to 105,053.20, 157,573.14 and 42,722.08

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Solution

The fourth proportional to 105,053.20, 157,573.14 and 42,722.08 is: 64,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,053.20 : 157,573.14 = 42,722.08 : x
  2. Step 2: Convert to fraction form
    105,053.20/157,573.14 = 42,722.08/x
  3. Step 3: Cross multiply
    105,053.20x = 157,573.14 × 42,722.08
  4. Step 4: Simplify right side
    105,053.20x = 6,731,852,292.93
  5. Step 5: Solve for x
    x = 6,731,852,292.93/105,053.20
  6. Step 6: Final answer
    x = 64,080.41

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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.