Home / 105,053.10-157,470.30-57,595.20

Finding the Fourth Proportional to 105,053.10, 157,470.30 and 57,595.20

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Solution

The fourth proportional to 105,053.10, 157,470.30 and 57,595.20 is: 86,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,053.10 : 157,470.30 = 57,595.20 : x
  2. Step 2: Convert to fraction form
    105,053.10/157,470.30 = 57,595.20/x
  3. Step 3: Cross multiply
    105,053.10x = 157,470.30 × 57,595.20
  4. Step 4: Simplify right side
    105,053.10x = 9,069,533,422.56
  5. Step 5: Solve for x
    x = 9,069,533,422.56/105,053.10
  6. Step 6: Final answer
    x = 86,332.85

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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.