Home / 86,931.64-130,371.90-37,011.16

Finding the Fourth Proportional to 86,931.64, 130,371.90 and 37,011.16

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Solution

The fourth proportional to 86,931.64, 130,371.90 and 37,011.16 is: 55,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,931.64 : 130,371.90 = 37,011.16 : x
  2. Step 2: Convert to fraction form
    86,931.64/130,371.90 = 37,011.16/x
  3. Step 3: Cross multiply
    86,931.64x = 130,371.90 × 37,011.16
  4. Step 4: Simplify right side
    86,931.64x = 4,825,215,250.40
  5. Step 5: Solve for x
    x = 4,825,215,250.40/86,931.64
  6. Step 6: Final answer
    x = 55,505.86

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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.