Home / 109,779.36-151,493.53-62,031.71

Finding the Fourth Proportional to 109,779.36, 151,493.53 and 62,031.71

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Solution

The fourth proportional to 109,779.36, 151,493.53 and 62,031.71 is: 85,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,779.36 : 151,493.53 = 62,031.71 : x
  2. Step 2: Convert to fraction form
    109,779.36/151,493.53 = 62,031.71/x
  3. Step 3: Cross multiply
    109,779.36x = 151,493.53 × 62,031.71
  4. Step 4: Simplify right side
    109,779.36x = 9,397,402,719.84
  5. Step 5: Solve for x
    x = 9,397,402,719.84/109,779.36
  6. Step 6: Final answer
    x = 85,602.64

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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.