Home / 124,515.19-171,835.77-70,805.08

Finding the Fourth Proportional to 124,515.19, 171,835.77 and 70,805.08

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Solution

The fourth proportional to 124,515.19, 171,835.77 and 70,805.08 is: 97,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.19 : 171,835.77 = 70,805.08 : x
  2. Step 2: Convert to fraction form
    124,515.19/171,835.77 = 70,805.08/x
  3. Step 3: Cross multiply
    124,515.19x = 171,835.77 × 70,805.08
  4. Step 4: Simplify right side
    124,515.19x = 12,166,845,441.71
  5. Step 5: Solve for x
    x = 12,166,845,441.71/124,515.19
  6. Step 6: Final answer
    x = 97,713.74

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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.