Home / 73,017.06-100,785.10-42,808.92

Finding the Fourth Proportional to 73,017.06, 100,785.10 and 42,808.92

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Solution

The fourth proportional to 73,017.06, 100,785.10 and 42,808.92 is: 59,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.06 : 100,785.10 = 42,808.92 : x
  2. Step 2: Convert to fraction form
    73,017.06/100,785.10 = 42,808.92/x
  3. Step 3: Cross multiply
    73,017.06x = 100,785.10 × 42,808.92
  4. Step 4: Simplify right side
    73,017.06x = 4,314,501,283.09
  5. Step 5: Solve for x
    x = 4,314,501,283.09/73,017.06
  6. Step 6: Final answer
    x = 59,088.95

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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.