Home / 105,575.86-145,654.14-60,256.36

Finding the Fourth Proportional to 105,575.86, 145,654.14 and 60,256.36

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Solution

The fourth proportional to 105,575.86, 145,654.14 and 60,256.36 is: 83,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,575.86 : 145,654.14 = 60,256.36 : x
  2. Step 2: Convert to fraction form
    105,575.86/145,654.14 = 60,256.36/x
  3. Step 3: Cross multiply
    105,575.86x = 145,654.14 × 60,256.36
  4. Step 4: Simplify right side
    105,575.86x = 8,776,587,567.06
  5. Step 5: Solve for x
    x = 8,776,587,567.06/105,575.86
  6. Step 6: Final answer
    x = 83,130.63

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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.