Home / 84,797.11-117,036.30-56,117.35

Finding the Fourth Proportional to 84,797.11, 117,036.30 and 56,117.35

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Solution

The fourth proportional to 84,797.11, 117,036.30 and 56,117.35 is: 77,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,797.11 : 117,036.30 = 56,117.35 : x
  2. Step 2: Convert to fraction form
    84,797.11/117,036.30 = 56,117.35/x
  3. Step 3: Cross multiply
    84,797.11x = 117,036.30 × 56,117.35
  4. Step 4: Simplify right side
    84,797.11x = 6,567,767,009.81
  5. Step 5: Solve for x
    x = 6,567,767,009.81/84,797.11
  6. Step 6: Final answer
    x = 77,452.72

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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.