Home / 81,332.15-112,217.00-46,868.40

Finding the Fourth Proportional to 81,332.15, 112,217.00 and 46,868.40

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Solution

The fourth proportional to 81,332.15, 112,217.00 and 46,868.40 is: 64,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332.15 : 112,217.00 = 46,868.40 : x
  2. Step 2: Convert to fraction form
    81,332.15/112,217.00 = 46,868.40/x
  3. Step 3: Cross multiply
    81,332.15x = 112,217.00 × 46,868.40
  4. Step 4: Simplify right side
    81,332.15x = 5,259,431,008.46
  5. Step 5: Solve for x
    x = 5,259,431,008.46/81,332.15
  6. Step 6: Final answer
    x = 64,666.08

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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.