Home / 80,543.20-111,164.10-46,547

Finding the Fourth Proportional to 80,543.20, 111,164.10 and 46,547

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Solution

The fourth proportional to 80,543.20, 111,164.10 and 46,547 is: 64,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,543.20 : 111,164.10 = 46,547 : x
  2. Step 2: Convert to fraction form
    80,543.20/111,164.10 = 46,547/x
  3. Step 3: Cross multiply
    80,543.20x = 111,164.10 × 46,547
  4. Step 4: Simplify right side
    80,543.20x = 5,174,355,362.70
  5. Step 5: Solve for x
    x = 5,174,355,362.70/80,543.20
  6. Step 6: Final answer
    x = 64,243.23

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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.