Home / 82,869.04-114,362.76-45,145.36

Finding the Fourth Proportional to 82,869.04, 114,362.76 and 45,145.36

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Solution

The fourth proportional to 82,869.04, 114,362.76 and 45,145.36 is: 62,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.04 : 114,362.76 = 45,145.36 : x
  2. Step 2: Convert to fraction form
    82,869.04/114,362.76 = 45,145.36/x
  3. Step 3: Cross multiply
    82,869.04x = 114,362.76 × 45,145.36
  4. Step 4: Simplify right side
    82,869.04x = 5,162,947,970.79
  5. Step 5: Solve for x
    x = 5,162,947,970.79/82,869.04
  6. Step 6: Final answer
    x = 62,302.50

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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.