Home / 110,038.47-151,853.72-64,718.36

Finding the Fourth Proportional to 110,038.47, 151,853.72 and 64,718.36

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Solution

The fourth proportional to 110,038.47, 151,853.72 and 64,718.36 is: 89,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,038.47 : 151,853.72 = 64,718.36 : x
  2. Step 2: Convert to fraction form
    110,038.47/151,853.72 = 64,718.36/x
  3. Step 3: Cross multiply
    110,038.47x = 151,853.72 × 64,718.36
  4. Step 4: Simplify right side
    110,038.47x = 9,827,723,568.93
  5. Step 5: Solve for x
    x = 9,827,723,568.93/110,038.47
  6. Step 6: Final answer
    x = 89,311.71

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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.