Home / 71,650.61-98,886.93-41,430.08

Finding the Fourth Proportional to 71,650.61, 98,886.93 and 41,430.08

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Solution

The fourth proportional to 71,650.61, 98,886.93 and 41,430.08 is: 57,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,650.61 : 98,886.93 = 41,430.08 : x
  2. Step 2: Convert to fraction form
    71,650.61/98,886.93 = 41,430.08/x
  3. Step 3: Cross multiply
    71,650.61x = 98,886.93 × 41,430.08
  4. Step 4: Simplify right side
    71,650.61x = 4,096,893,512.71
  5. Step 5: Solve for x
    x = 4,096,893,512.71/71,650.61
  6. Step 6: Final answer
    x = 57,178.77

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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.