Home / 78,051.90-107,685.08-44,056.38

Finding the Fourth Proportional to 78,051.90, 107,685.08 and 44,056.38

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Solution

The fourth proportional to 78,051.90, 107,685.08 and 44,056.38 is: 60,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,051.90 : 107,685.08 = 44,056.38 : x
  2. Step 2: Convert to fraction form
    78,051.90/107,685.08 = 44,056.38/x
  3. Step 3: Cross multiply
    78,051.90x = 107,685.08 × 44,056.38
  4. Step 4: Simplify right side
    78,051.90x = 4,744,214,804.81
  5. Step 5: Solve for x
    x = 4,744,214,804.81/78,051.90
  6. Step 6: Final answer
    x = 60,782.82

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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.