Home / 79,117.47-109,182.73-43,307.77

Finding the Fourth Proportional to 79,117.47, 109,182.73 and 43,307.77

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Solution

The fourth proportional to 79,117.47, 109,182.73 and 43,307.77 is: 59,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117.47 : 109,182.73 = 43,307.77 : x
  2. Step 2: Convert to fraction form
    79,117.47/109,182.73 = 43,307.77/x
  3. Step 3: Cross multiply
    79,117.47x = 109,182.73 × 43,307.77
  4. Step 4: Simplify right side
    79,117.47x = 4,728,460,558.81
  5. Step 5: Solve for x
    x = 4,728,460,558.81/79,117.47
  6. Step 6: Final answer
    x = 59,765.06

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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.