Home / 124,584.31-171,924.86-70,869.20

Finding the Fourth Proportional to 124,584.31, 171,924.86 and 70,869.20

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Solution

The fourth proportional to 124,584.31, 171,924.86 and 70,869.20 is: 97,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,584.31 : 171,924.86 = 70,869.20 : x
  2. Step 2: Convert to fraction form
    124,584.31/171,924.86 = 70,869.20/x
  3. Step 3: Cross multiply
    124,584.31x = 171,924.86 × 70,869.20
  4. Step 4: Simplify right side
    124,584.31x = 12,184,176,605.86
  5. Step 5: Solve for x
    x = 12,184,176,605.86/124,584.31
  6. Step 6: Final answer
    x = 97,798.64

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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.