Home / 42,986.48-64,386.23-26,296.02

Finding the Fourth Proportional to 42,986.48, 64,386.23 and 26,296.02

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Solution

The fourth proportional to 42,986.48, 64,386.23 and 26,296.02 is: 39,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,986.48 : 64,386.23 = 26,296.02 : x
  2. Step 2: Convert to fraction form
    42,986.48/64,386.23 = 26,296.02/x
  3. Step 3: Cross multiply
    42,986.48x = 64,386.23 × 26,296.02
  4. Step 4: Simplify right side
    42,986.48x = 1,693,101,460.32
  5. Step 5: Solve for x
    x = 1,693,101,460.32/42,986.48
  6. Step 6: Final answer
    x = 39,386.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.