Home / 61,981.32-85,530.75-33,686.82

Finding the Fourth Proportional to 61,981.32, 85,530.75 and 33,686.82

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Solution

The fourth proportional to 61,981.32, 85,530.75 and 33,686.82 is: 46,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,981.32 : 85,530.75 = 33,686.82 : x
  2. Step 2: Convert to fraction form
    61,981.32/85,530.75 = 33,686.82/x
  3. Step 3: Cross multiply
    61,981.32x = 85,530.75 × 33,686.82
  4. Step 4: Simplify right side
    61,981.32x = 2,881,258,979.72
  5. Step 5: Solve for x
    x = 2,881,258,979.72/61,981.32
  6. Step 6: Final answer
    x = 46,485.92

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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.