Home / 84,992.12-117,242.51-52,715.58

Finding the Fourth Proportional to 84,992.12, 117,242.51 and 52,715.58

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Solution

The fourth proportional to 84,992.12, 117,242.51 and 52,715.58 is: 72,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,992.12 : 117,242.51 = 52,715.58 : x
  2. Step 2: Convert to fraction form
    84,992.12/117,242.51 = 52,715.58/x
  3. Step 3: Cross multiply
    84,992.12x = 117,242.51 × 52,715.58
  4. Step 4: Simplify right side
    84,992.12x = 6,180,507,312.50
  5. Step 5: Solve for x
    x = 6,180,507,312.50/84,992.12
  6. Step 6: Final answer
    x = 72,718.60

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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.