Home / 112,307.24-154,984.31-61,320.41

Finding the Fourth Proportional to 112,307.24, 154,984.31 and 61,320.41

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Solution

The fourth proportional to 112,307.24, 154,984.31 and 61,320.41 is: 84,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.24 : 154,984.31 = 61,320.41 : x
  2. Step 2: Convert to fraction form
    112,307.24/154,984.31 = 61,320.41/x
  3. Step 3: Cross multiply
    112,307.24x = 154,984.31 × 61,320.41
  4. Step 4: Simplify right side
    112,307.24x = 9,503,701,432.77
  5. Step 5: Solve for x
    x = 9,503,701,432.77/112,307.24
  6. Step 6: Final answer
    x = 84,622.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.