Home / 105,467.52-145,503.36-63,010.56

Finding the Fourth Proportional to 105,467.52, 145,503.36 and 63,010.56

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Solution

The fourth proportional to 105,467.52, 145,503.36 and 63,010.56 is: 86,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,467.52 : 145,503.36 = 63,010.56 : x
  2. Step 2: Convert to fraction form
    105,467.52/145,503.36 = 63,010.56/x
  3. Step 3: Cross multiply
    105,467.52x = 145,503.36 × 63,010.56
  4. Step 4: Simplify right side
    105,467.52x = 9,168,248,195.48
  5. Step 5: Solve for x
    x = 9,168,248,195.48/105,467.52
  6. Step 6: Final answer
    x = 86,929.59

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1.5x scale

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.