Home / 43,543.71-64,954.08-42,086.02

Finding the Fourth Proportional to 43,543.71, 64,954.08 and 42,086.02

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Solution

The fourth proportional to 43,543.71, 64,954.08 and 42,086.02 is: 62,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,543.71 : 64,954.08 = 42,086.02 : x
  2. Step 2: Convert to fraction form
    43,543.71/64,954.08 = 42,086.02/x
  3. Step 3: Cross multiply
    43,543.71x = 64,954.08 × 42,086.02
  4. Step 4: Simplify right side
    43,543.71x = 2,733,658,385.19
  5. Step 5: Solve for x
    x = 2,733,658,385.19/43,543.71
  6. Step 6: Final answer
    x = 62,779.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.