Home / 109,953.18-151,749.65-61,573.53

Finding the Fourth Proportional to 109,953.18, 151,749.65 and 61,573.53

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Solution

The fourth proportional to 109,953.18, 151,749.65 and 61,573.53 is: 84,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.18 : 151,749.65 = 61,573.53 : x
  2. Step 2: Convert to fraction form
    109,953.18/151,749.65 = 61,573.53/x
  3. Step 3: Cross multiply
    109,953.18x = 151,749.65 × 61,573.53
  4. Step 4: Simplify right side
    109,953.18x = 9,343,762,349.76
  5. Step 5: Solve for x
    x = 9,343,762,349.76/109,953.18
  6. Step 6: Final answer
    x = 84,979.46

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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.