Home / 83,030.32-124,536.28-29,720.16

Finding the Fourth Proportional to 83,030.32, 124,536.28 and 29,720.16

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Solution

The fourth proportional to 83,030.32, 124,536.28 and 29,720.16 is: 44,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030.32 : 124,536.28 = 29,720.16 : x
  2. Step 2: Convert to fraction form
    83,030.32/124,536.28 = 29,720.16/x
  3. Step 3: Cross multiply
    83,030.32x = 124,536.28 × 29,720.16
  4. Step 4: Simplify right side
    83,030.32x = 3,701,238,167.40
  5. Step 5: Solve for x
    x = 3,701,238,167.40/83,030.32
  6. Step 6: Final answer
    x = 44,576.95

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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.