Home / 124,579.24-171,913.98-70,856.68

Finding the Fourth Proportional to 124,579.24, 171,913.98 and 70,856.68

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Solution

The fourth proportional to 124,579.24, 171,913.98 and 70,856.68 is: 97,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579.24 : 171,913.98 = 70,856.68 : x
  2. Step 2: Convert to fraction form
    124,579.24/171,913.98 = 70,856.68/x
  3. Step 3: Cross multiply
    124,579.24x = 171,913.98 × 70,856.68
  4. Step 4: Simplify right side
    124,579.24x = 12,181,253,868.39
  5. Step 5: Solve for x
    x = 12,181,253,868.39/124,579.24
  6. Step 6: Final answer
    x = 97,779.16

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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.