Home / 102,434.43-153,646.14-31,357.08

Finding the Fourth Proportional to 102,434.43, 153,646.14 and 31,357.08

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Solution

The fourth proportional to 102,434.43, 153,646.14 and 31,357.08 is: 47,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,434.43 : 153,646.14 = 31,357.08 : x
  2. Step 2: Convert to fraction form
    102,434.43/153,646.14 = 31,357.08/x
  3. Step 3: Cross multiply
    102,434.43x = 153,646.14 × 31,357.08
  4. Step 4: Simplify right side
    102,434.43x = 4,817,894,303.67
  5. Step 5: Solve for x
    x = 4,817,894,303.67/102,434.43
  6. Step 6: Final answer
    x = 47,033.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.