Home / 78,870.04-108,841.02-43,060.85

Finding the Fourth Proportional to 78,870.04, 108,841.02 and 43,060.85

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Solution

The fourth proportional to 78,870.04, 108,841.02 and 43,060.85 is: 59,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,870.04 : 108,841.02 = 43,060.85 : x
  2. Step 2: Convert to fraction form
    78,870.04/108,841.02 = 43,060.85/x
  3. Step 3: Cross multiply
    78,870.04x = 108,841.02 × 43,060.85
  4. Step 4: Simplify right side
    78,870.04x = 4,686,786,538.54
  5. Step 5: Solve for x
    x = 4,686,786,538.54/78,870.04
  6. Step 6: Final answer
    x = 59,424.17

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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.