Home / 81,356.16-112,271.52-45,546.24

Finding the Fourth Proportional to 81,356.16, 112,271.52 and 45,546.24

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Solution

The fourth proportional to 81,356.16, 112,271.52 and 45,546.24 is: 62,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,356.16 : 112,271.52 = 45,546.24 : x
  2. Step 2: Convert to fraction form
    81,356.16/112,271.52 = 45,546.24/x
  3. Step 3: Cross multiply
    81,356.16x = 112,271.52 × 45,546.24
  4. Step 4: Simplify right side
    81,356.16x = 5,113,545,595.08
  5. Step 5: Solve for x
    x = 5,113,545,595.08/81,356.16
  6. Step 6: Final answer
    x = 62,853.82

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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.