Home / 43,368.58-64,686.43-42,056.02

Finding the Fourth Proportional to 43,368.58, 64,686.43 and 42,056.02

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Solution

The fourth proportional to 43,368.58, 64,686.43 and 42,056.02 is: 62,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,368.58 : 64,686.43 = 42,056.02 : x
  2. Step 2: Convert to fraction form
    43,368.58/64,686.43 = 42,056.02/x
  3. Step 3: Cross multiply
    43,368.58x = 64,686.43 × 42,056.02
  4. Step 4: Simplify right side
    43,368.58x = 2,720,453,793.81
  5. Step 5: Solve for x
    x = 2,720,453,793.81/43,368.58
  6. Step 6: Final answer
    x = 62,728.68

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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.