Home / 83,672.19-125,558.15-30,368.32

Finding the Fourth Proportional to 83,672.19, 125,558.15 and 30,368.32

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Solution

The fourth proportional to 83,672.19, 125,558.15 and 30,368.32 is: 45,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,672.19 : 125,558.15 = 30,368.32 : x
  2. Step 2: Convert to fraction form
    83,672.19/125,558.15 = 30,368.32/x
  3. Step 3: Cross multiply
    83,672.19x = 125,558.15 × 30,368.32
  4. Step 4: Simplify right side
    83,672.19x = 3,812,989,612.07
  5. Step 5: Solve for x
    x = 3,812,989,612.07/83,672.19
  6. Step 6: Final answer
    x = 45,570.57

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1.5x scale

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.