Home / 64,785.65-97,178.47-25,315.07

Finding the Fourth Proportional to 64,785.65, 97,178.47 and 25,315.07

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Solution

The fourth proportional to 64,785.65, 97,178.47 and 25,315.07 is: 37,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785.65 : 97,178.47 = 25,315.07 : x
  2. Step 2: Convert to fraction form
    64,785.65/97,178.47 = 25,315.07/x
  3. Step 3: Cross multiply
    64,785.65x = 97,178.47 × 25,315.07
  4. Step 4: Simplify right side
    64,785.65x = 2,460,079,221.36
  5. Step 5: Solve for x
    x = 2,460,079,221.36/64,785.65
  6. Step 6: Final answer
    x = 37,972.60

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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.