Home / 109,953.15-151,749.65-61,573.52

Finding the Fourth Proportional to 109,953.15, 151,749.65 and 61,573.52

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Solution

The fourth proportional to 109,953.15, 151,749.65 and 61,573.52 is: 84,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.15 : 151,749.65 = 61,573.52 : x
  2. Step 2: Convert to fraction form
    109,953.15/151,749.65 = 61,573.52/x
  3. Step 3: Cross multiply
    109,953.15x = 151,749.65 × 61,573.52
  4. Step 4: Simplify right side
    109,953.15x = 9,343,759,788.98
  5. Step 5: Solve for x
    x = 9,343,759,788.98/109,953.15
  6. Step 6: Final answer
    x = 84,979.47

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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.