Home / 84,802.08-127,205.82-42,659.14

Finding the Fourth Proportional to 84,802.08, 127,205.82 and 42,659.14

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Solution

The fourth proportional to 84,802.08, 127,205.82 and 42,659.14 is: 63,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.08 : 127,205.82 = 42,659.14 : x
  2. Step 2: Convert to fraction form
    84,802.08/127,205.82 = 42,659.14/x
  3. Step 3: Cross multiply
    84,802.08x = 127,205.82 × 42,659.14
  4. Step 4: Simplify right side
    84,802.08x = 5,426,490,884.19
  5. Step 5: Solve for x
    x = 5,426,490,884.19/84,802.08
  6. Step 6: Final answer
    x = 63,990.07

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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.