Home / 64,528.65-96,637.46-57,141.45

Finding the Fourth Proportional to 64,528.65, 96,637.46 and 57,141.45

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Solution

The fourth proportional to 64,528.65, 96,637.46 and 57,141.45 is: 85,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,528.65 : 96,637.46 = 57,141.45 : x
  2. Step 2: Convert to fraction form
    64,528.65/96,637.46 = 57,141.45/x
  3. Step 3: Cross multiply
    64,528.65x = 96,637.46 × 57,141.45
  4. Step 4: Simplify right side
    64,528.65x = 5,522,004,303.01
  5. Step 5: Solve for x
    x = 5,522,004,303.01/64,528.65
  6. Step 6: Final answer
    x = 85,574.46

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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.