Home / 114,022.12-157,332.90-63,711.40

Finding the Fourth Proportional to 114,022.12, 157,332.90 and 63,711.40

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Solution

The fourth proportional to 114,022.12, 157,332.90 and 63,711.40 is: 87,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.12 : 157,332.90 = 63,711.40 : x
  2. Step 2: Convert to fraction form
    114,022.12/157,332.90 = 63,711.40/x
  3. Step 3: Cross multiply
    114,022.12x = 157,332.90 × 63,711.40
  4. Step 4: Simplify right side
    114,022.12x = 10,023,899,325.06
  5. Step 5: Solve for x
    x = 10,023,899,325.06/114,022.12
  6. Step 6: Final answer
    x = 87,911.88

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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.