Home / 109,902.59-151,673.73-61,509.38

Finding the Fourth Proportional to 109,902.59, 151,673.73 and 61,509.38

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Solution

The fourth proportional to 109,902.59, 151,673.73 and 61,509.38 is: 84,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.59 : 151,673.73 = 61,509.38 : x
  2. Step 2: Convert to fraction form
    109,902.59/151,673.73 = 61,509.38/x
  3. Step 3: Cross multiply
    109,902.59x = 151,673.73 × 61,509.38
  4. Step 4: Simplify right side
    109,902.59x = 9,329,357,094.59
  5. Step 5: Solve for x
    x = 9,329,357,094.59/109,902.59
  6. Step 6: Final answer
    x = 84,887.51

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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.