Home / 83,019.04-124,528.06-38,621.32

Finding the Fourth Proportional to 83,019.04, 124,528.06 and 38,621.32

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Solution

The fourth proportional to 83,019.04, 124,528.06 and 38,621.32 is: 57,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,019.04 : 124,528.06 = 38,621.32 : x
  2. Step 2: Convert to fraction form
    83,019.04/124,528.06 = 38,621.32/x
  3. Step 3: Cross multiply
    83,019.04x = 124,528.06 × 38,621.32
  4. Step 4: Simplify right side
    83,019.04x = 4,809,438,054.24
  5. Step 5: Solve for x
    x = 4,809,438,054.24/83,019.04
  6. Step 6: Final answer
    x = 57,931.75

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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.