Home / 109,055.08-163,515.61-42,417.53

Finding the Fourth Proportional to 109,055.08, 163,515.61 and 42,417.53

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Solution

The fourth proportional to 109,055.08, 163,515.61 and 42,417.53 is: 63,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.08 : 163,515.61 = 42,417.53 : x
  2. Step 2: Convert to fraction form
    109,055.08/163,515.61 = 42,417.53/x
  3. Step 3: Cross multiply
    109,055.08x = 163,515.61 × 42,417.53
  4. Step 4: Simplify right side
    109,055.08x = 6,935,928,292.64
  5. Step 5: Solve for x
    x = 6,935,928,292.64/109,055.08
  6. Step 6: Final answer
    x = 63,600.23

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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.