Home / 84,901.16-127,344.40-28,740.07

Finding the Fourth Proportional to 84,901.16, 127,344.40 and 28,740.07

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Solution

The fourth proportional to 84,901.16, 127,344.40 and 28,740.07 is: 43,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901.16 : 127,344.40 = 28,740.07 : x
  2. Step 2: Convert to fraction form
    84,901.16/127,344.40 = 28,740.07/x
  3. Step 3: Cross multiply
    84,901.16x = 127,344.40 × 28,740.07
  4. Step 4: Simplify right side
    84,901.16x = 3,659,886,970.11
  5. Step 5: Solve for x
    x = 3,659,886,970.11/84,901.16
  6. Step 6: Final answer
    x = 43,107.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.