Home / 102,514.37-153,698.65-39,280.91

Finding the Fourth Proportional to 102,514.37, 153,698.65 and 39,280.91

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Solution

The fourth proportional to 102,514.37, 153,698.65 and 39,280.91 is: 58,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,514.37 : 153,698.65 = 39,280.91 : x
  2. Step 2: Convert to fraction form
    102,514.37/153,698.65 = 39,280.91/x
  3. Step 3: Cross multiply
    102,514.37x = 153,698.65 × 39,280.91
  4. Step 4: Simplify right side
    102,514.37x = 6,037,421,971.08
  5. Step 5: Solve for x
    x = 6,037,421,971.08/102,514.37
  6. Step 6: Final answer
    x = 58,893.42

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1.5x scale

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.