Home / 112,307.06-154,984.06-61,320.23

Finding the Fourth Proportional to 112,307.06, 154,984.06 and 61,320.23

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Solution

The fourth proportional to 112,307.06, 154,984.06 and 61,320.23 is: 84,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.06 : 154,984.06 = 61,320.23 : x
  2. Step 2: Convert to fraction form
    112,307.06/154,984.06 = 61,320.23/x
  3. Step 3: Cross multiply
    112,307.06x = 154,984.06 × 61,320.23
  4. Step 4: Simplify right side
    112,307.06x = 9,503,657,277.31
  5. Step 5: Solve for x
    x = 9,503,657,277.31/112,307.06
  6. Step 6: Final answer
    x = 84,622.09

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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.