Home / 82,237.50-113,509.02-53,628.48

Finding the Fourth Proportional to 82,237.50, 113,509.02 and 53,628.48

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Solution

The fourth proportional to 82,237.50, 113,509.02 and 53,628.48 is: 74,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,237.50 : 113,509.02 = 53,628.48 : x
  2. Step 2: Convert to fraction form
    82,237.50/113,509.02 = 53,628.48/x
  3. Step 3: Cross multiply
    82,237.50x = 113,509.02 × 53,628.48
  4. Step 4: Simplify right side
    82,237.50x = 6,087,316,208.89
  5. Step 5: Solve for x
    x = 6,087,316,208.89/82,237.50
  6. Step 6: Final answer
    x = 74,021.17

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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.