Home / 77,341.89-106,699.93-47,116.18

Finding the Fourth Proportional to 77,341.89, 106,699.93 and 47,116.18

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Solution

The fourth proportional to 77,341.89, 106,699.93 and 47,116.18 is: 65,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,341.89 : 106,699.93 = 47,116.18 : x
  2. Step 2: Convert to fraction form
    77,341.89/106,699.93 = 47,116.18/x
  3. Step 3: Cross multiply
    77,341.89x = 106,699.93 × 47,116.18
  4. Step 4: Simplify right side
    77,341.89x = 5,027,293,164.86
  5. Step 5: Solve for x
    x = 5,027,293,164.86/77,341.89
  6. Step 6: Final answer
    x = 65,000.91

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1.5x scale

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.