Home / 55,643.04-83,421.36-28,977.84

Finding the Fourth Proportional to 55,643.04, 83,421.36 and 28,977.84

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Solution

The fourth proportional to 55,643.04, 83,421.36 and 28,977.84 is: 43,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.04 : 83,421.36 = 28,977.84 : x
  2. Step 2: Convert to fraction form
    55,643.04/83,421.36 = 28,977.84/x
  3. Step 3: Cross multiply
    55,643.04x = 83,421.36 × 28,977.84
  4. Step 4: Simplify right side
    55,643.04x = 2,417,370,822.66
  5. Step 5: Solve for x
    x = 2,417,370,822.66/55,643.04
  6. Step 6: Final answer
    x = 43,444.26

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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.