Home / 124,312.48-171,584.40-76,573.60

Finding the Fourth Proportional to 124,312.48, 171,584.40 and 76,573.60

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Solution

The fourth proportional to 124,312.48, 171,584.40 and 76,573.60 is: 105,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312.48 : 171,584.40 = 76,573.60 : x
  2. Step 2: Convert to fraction form
    124,312.48/171,584.40 = 76,573.60/x
  3. Step 3: Cross multiply
    124,312.48x = 171,584.40 × 76,573.60
  4. Step 4: Simplify right side
    124,312.48x = 13,138,835,211.84
  5. Step 5: Solve for x
    x = 13,138,835,211.84/124,312.48
  6. Step 6: Final answer
    x = 105,692.00

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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.